Will the Mazars Court Overrule McGrain? (Part Two)

As suggested in my last post, the May 12, 2020 oral argument in Trump v. Mazars USA, LLP did not go well for the House, to put it mildly. Most of the tough questions for the House Counsel clustered around a single idea: what is the limiting principle that prevents Congress from prying into whatever it wants, whenever it wants? Before getting to that, however, let’s consider an even more fundamental issue raised by Justice Thomas.

Justice Thomas began his questioning of House Counsel Doug Letter by essentially asking what the constitutional basis is for recognizing the power to issue legislative subpoenas at all. Tr. 54-55. Letter responded by pointing to the long line of Supreme Court cases (which began with McGrain) holding that the power to conduct investigations and issue compulsory process is an inherent and integral part of the legislative power conferred by the Constitution.

Justice Thomas did not appear entirely satisfied with this answer, and he followed up by asking “can you give me the earliest example you have of Congress issuing a legislative subpoena?” Tr. 56. Letter pointed to the House’s 1792 investigation of General St. Clair’s failed expedition. This investigation was viewed by the McGrain Court as significant historical evidence of the existence of a constitutional power to issue legislative subpoenas. As the Court explained:

This power was both asserted and exerted by the House of Representatives in 1792, when it appointed a select committee to inquire into the St. Clair expedition and authorized the committee to send for necessary persons, papers and records. Mr. Madison, who had taken an important part in framing the Constitution only five years before, and four of his associates in that work, were members of the House of Representatives at the time, and all voted for the inquiry.

*           *          *

We are of opinion that the power of inquiry– with process to enforce it– is an essential and appropriate auxiliary to the legislative function. It was so regarded and employed in American legislatures before the Constitution was framed and ratified. Both houses of Congress took this view of it early in their history– the House of Representatives with the approving votes of Mr. Madison and other members whose service in the convention which framed the Constitution gives special significance to their action– and both houses have employed the power accordingly up to the present time.

McGrain v. Daugherty, 273 U.S. 135, 161, 174 (1927).

Still not satisfied, Thomas pressed further: “What’s the first example of Congress issuing a legislative subpoena to a private party for documents?” Tr. 56. Letter could not answer him directly, but referred him to the discussion of congressional investigatory history in Watkins v. United States, 354 U.S. 178 (1957).

The referenced passage in Watkins, I think, is the following:

Most of the instances of use of compulsory process by the first Congresses concerned matters affecting the qualification or integrity of their members or came about in inquiries dealing with suspected corruption or mismanagement of government officials. [Note: here the Court cites to Landis’s article]. Unlike the English practice, from the very outset, the use of contempt power by the legislature was deemed subject to judicial review.

     There was very little use of the power of compulsory process in early years to enable the Congress to obtain facts pertinent to the enactment of new statutes or the administration of existing laws. The first occasion for such an investigation arose in 1827, when the House of Representatives was considering a revision of the tariff laws. In the Senate, there was no use of a factfinding investigation in aid of legislation until 1859.

Watkins, 354 U.S. at 192-93.

This passage does not specifically answer Justice Thomas’s question, but it suggests why it may not have been exactly the right question. While courts pass on the validity of specific subpoenas, the scope of Congress’s investigatory authority is determined by reference to the investigation that is being conducted, not by the nature of an individual subpoena (e.g., whether it is directed to a private party or seeks documents).

Thus, for example, the investigation of the St. Clair expedition would be one of the inquiries involving “suspected corruption or mismanagement of government officials” referred to in Watkins, but that does not  mean the investigation lacked the power to compel the production of documents or other information from private parties. Indeed, one of the issues in the St. Clair investigation was the quality of military supplies provided by private contractors, and the committee received affidavits and other evidence from these contractors. See I Arthur M. Schlesinger, Jr. & Roger Bruns, eds., Congress Investigates: A Documented History: 1792-1974 95 (1983). Whether or not the committee actually issued compulsory process to a private party, there seems little doubt it had the authority to do so.

When was the first occasion on which a congressional committee actually issued a legislative subpoena to a private party for documents? The earliest I can verify is that in 1827 a House committee investigating John Calhoun’s prior administration of the War Department subpoenaed documents from an unsuccessful bidder on a government contract. See 3 Reg. of Debates in Cong. 1124 (Feb. 13, 1827). However, the House’s 1810 investigation of General James Wilkinson also obtained testimony and documents from a number of private individuals, at least some of which was obtained by compulsory process. I Congress Investigates at 119 & 170.

The passage quoted from Watkins does not distinguish between subpoenas directed to private parties and government officials, but it does suggest a distinction between (1) investigations of suspected government corruption or mismanagement (what would often be referred to as congressional oversight) and (2) inquiries to obtain facts relevant to enacting or amending legislation. Although both are “legislative” in nature, the Court implies that the latter requires more vigorous scrutiny to ensure that the information sought is pertinent to the investigation, particularly when the information sought would implicate the constitutional rights of private citizens.

This interpretation is consistent with the holding of Watkins, where a labor organizer summoned to testify before the House Un-American Activities Committee testified freely about his own activities and associations, but refused to answer questions about individuals whom he believed may have once been but no longer were members of the Communist Party. The Court reversed his conviction for contempt of Congress, holding that the committee violated his rights under the contempt statute and the due process clause by failing to clearly explain to him the pertinency of the questions to its investigation. It did not dispute that political opinions and associations protected by the Bill of Rights could nonetheless be a proper subject of congressional investigation, but “[p]rotected freedoms should not be placed in danger in the absence of a clear determination by the House or the Senate that a particular inquiry is justified by a specific legislative need.” Watkins, 354 U.S. at 198, 205.

The Court emphasized that it was not dealing with congressional oversight, noting that “[t]he public is, of course, entitled to be informed concerning the workings of its government.” Id. at 198. It explained:

     We are not concerned with the power of Congress to inquire into and publicize corruption, maladministration or inefficiency in agencies of the Government. That was the only kind of activity described by Woodrow Wilson in Congressional Government when he wrote: “The informing function of Congress should be preferred even to its legislative function.” From the earliest times in its history, Congress has assiduously performed an “informing function” of this nature. See Landis, Constitutional Limitations on the Congressional Power of Investigation, 40 Harv. L. Rev. 153, 168-194.

Watkins, 354 U.S. at 200 n.33 (citation omitted). The Court thus distinguishes the inquiry in Watkins from the type of congressional oversight involved in McGrain.

This distinction may help point the way to an answer to the question asked by many of the justices at the May 12 argument in Mazars, i.e., what stops Congress from investigating virtually anything on the basis that it has some connection to a subject on which legislation could potentially be had. See, e.g., Tr. 52-54 (Chief Justice Roberts); 57 (Justice Ginsburg); 64 (Justice Alito); 74 (Justice Kavanaugh). Letter had some difficulty answering this question, perhaps because judicial doctrine since McGrain has in fact been extremely deferential to Congress on this score. As the district judge in Mazars pointed out, the governing legal standards are so deferential that they “do not substantially constrain Congress.”

However, the real constraint on Congress is that enforcing a subpoena is extremely cumbersome and therefore legal sanctions for contempt are virtually never imposed. This is in part because the Court in cases like Watkins has imposed technical and procedural requirements for criminal contempt to address the very issue raised in the Mazars argument. See Watkins,  354 U.S. at 204 (expressing concern that the committee “can radiate outward infinitely to any topic thought to be related in some way” to its mandate, that “[r]emoteness of subject can be aggravated by a probe for a depth of detail even farther removed from any basis of legislative action,” and further that “investigators [can] turn their attention to the past to collect minutiae on remote topics, on the hypothesis that the past may reflect upon the present”).

As a consequence, any witness who wishes to contest a congressional subpoena has far more leverage than the formal legal standards would imply. In addition, witnesses have the right to assert privileges, including the privilege against self-incrimination. Congress also has political incentives which further constrain its exercise of the subpoena power. Thus, the hypotheticals advanced by the justices are, for the most part, very unlikely to occur. See, e.g., Tr. 85-86 (Justice Alito) (suggesting the possibility that one house of Congress might subpoena personal records relating to a member of the other house).

Of course, some of these safeguards are inoperative in the Mazars case because it presents the fairly rare scenario of Congress seeking non-privileged records from third parties with no interest in contesting the subpoenas. Whether this  creates a significant potential of congressional abuse is debatable. After all, if Congress were to attempt to exercise this authority in an excessive or abusive manner, banks and other third party record keepers would have an incentive to contest subpoenas to protect the interests of their clients. (This is why the Court would have been wise to consider this blog’s suggestion that only the third parties themselves should have standing to contest the validity of the subpoenas).

Nonetheless, there are undoubtedly instances where Congress investigates particular factual questions which seem tenuously related to a legislative need. It is difficult to see, for example, why Congress would need to know whether a particular baseball player used steroids in order to legislate on the general subject. One could reasonably argue that if Congress is merely seeking information as a case study of a particular social, economic or national security problem, it ought to explain not only how the information is pertinent to potential legislation but why there is a legislative need to explore one specific example out of many. This should be more than adequate to protect against some of the other hypotheticals raised in the May 12 argument, such as the idea that Congress could subpoena an individual’s medical records on the ground it was considering healthcare legislation. See Tr. 65 (Justice Sotomayor).

On the other hand, there is no need for Congress to provide any additional justification for conducting oversight of government agencies and officials. As explained in McGrain and Watkins (and detailed in Professor Landis’s article, among other places), Congress has conducted searching probes into the conduct of government officials and operations since its earliest days. Such investigations are inherently justified by the need to inform itself and the public as to the working of the federal government and to uncover corruption, maladministration and inefficiency of every kind.

This distinction is reflected in Justice Kagan’s suggestion that there may be reasons for treating differently the three congressional subpoenas involved in the consolidated Mazars and Deustche Bank cases. See Tr. 88. Although all three seek similar types of information (financial records relating to President Trump’s private business interests), there are significant differences in the nature of the investigation to which each subpoena relates. The investigation by the Financial Services committee seeks the information simply to use it as a case study of a much more general problem (money laundering) in the financial sector. By contrast, the subpoena from the Intelligence committee is for the purpose of determining whether the president has financial ties to Russia or other foreign actors that might create a conflict of interest or give such actors leverage over his official decision making. The latter falls squarely within the province of congressional oversight while the former constitutes a pure case study investigation that may require additional justification.

The subpoena from the House Oversight committee falls somewhere in the middle. It is defended in part on the ground that it will assist the committee in determining whether to recommend changes to disclosure laws applying to federal officials generally. This is arguably closer to a case study approach, although it seems self-evident why the committee would focus on the highest-ranking federal official, particularly when it has gathered substantial evidence that he has been less than truthful in his private financial disclosures. In addition, the subpoena can be justified on the pure oversight grounds of determining whether the president has financial conflicts of interest or is in violation of the Foreign Emoluments Clause.

The line suggested by Justice Kagan would allow the Court to uphold at least one and likely two of the congressional subpoenas, while sending the other(s) back for further proceedings. It seems to me this would be a reasonable compromise that would satisfy the concerns expressed by the justices (with the possible exception of Justice Thomas) without fundamentally disturbing the legal standards established by McGrain and applied in subsequent cases.

Unlike Kagan (and several of her colleagues), however, I would be loathe to establish a special protection applicable only to the president. Historically the Court’s concerns about over broad congressional investigations focus on protecting the affairs of private citizens from arbitrary scrutiny. Even Judge Cochran, who would have applied these principles to an inquiry into the conduct of (then former) Attorney General Daugherty, claimed only that these principles applied as much to federal officials as to private citizens, not that the former were entitled to additional protection. (To date only Judge Rao, in her Mazars dissent in the D.C. Circuit, has advanced the remarkable proposition that impeachable officials enjoy an immunity from legislative investigation that is unavailable to private citizens). If the Court believes that changes are needed to the doctrine governing congressional case study investigations to avoid arbitrary intrusions into private affairs, such should apply to all citizens, not just the one who happens to sit in the Oval Office.

Whatever the Court ends up deciding in Mazars, let us hope they emulate the McGrain Court in one way but not another: the first by achieving unanimity or something close to it; and the second by not taking more than two years to issue a decision.

Will the Mazars Court Overrule McGrain? (Part One)

Nearly a century ago the Supreme Court decided the landmark case of McGrain v. Daugherty, 273 U.S. 135, 174 (1927), in which the Court declared that “the power of inquiry– with process to enforce it– is an essential and appropriate auxiliary to the legislative function.” In so holding, the Court dispelled doubts raised by Kilbourn v. Thompson, 103 U.S. 168 (1880), where, as we discussed here, the Court had expressed skepticism whether Congress could issue compulsory process outside the context of its judicial functions (such as impeachment and disciplining its members). McGrain settled this issue in Congress’s favor and, along with subsequent cases, established such a deferential judicial stance toward the validity of congressional investigations  that no congressional investigation since has been held to exceed Congress’s legislative powers. After listening to the oral argument in Trump v. Mazars USA, LLP, however, one has to wonder whether this will soon change.

The McGrain case arose from a Senate resolution calling for a broad investigation into the activities of Attorney General Harry Daugherty (our old friend) and his associates at the Department of Justice, including, but by no means limited to, Daugherty’s failure to pursue legal actions against individuals linked to the Teapot Dome scandal. Suspicions regarding Daugherty’s negligence or favoritism with regard to Teapot Dome, however, were the least of the attorney general’s troubles. Senate hearings in March 1924 featured blockbuster testimony from witnesses who claimed Daugherty and his associates had received large amounts of illicit cash which were deposited in a small Ohio bank run by Daugherty’s brother, Mally (“Mal”) Daugherty. The hearings led to Attorney General Daugherty’s forced resignation on March 28, 1924 and to a subsequent testimonial subpoena requiring Mal to appear before the Senate committee investigating his brother. When Mal refused to appear, the Senate ordered him taken into custody, and he immediately petitioned for a writ of habeas corpus in the federal district court for the Southern District of Ohio. (Fun fact: the judge who initially received the habeas petition was Smith Hickenlooper grandfather of the former Colorado governor and presidential candidate).

At this point matters stood at something of a crossroads. With Daugherty’s resignation, the major figures in the scandals of the Harding administration were out of office, and the new Coolidge administration (President Harding having passed away in 1923) was eager to disassociate itself from them. On the other hand, many Republicans argued that the congressional investigations into these scandals were political and excessive, and members of the bar warned that such investigations threatened civil liberties. Chief Justice Taft and Senator George Pepper, a well regarded Republican lawyer, were among the luminaries expressing skepticism about the investigations. See J. Leonard Bates, The Teapot Dome Scandal and the Election of 1924, 60 Am. Hist. Rev. 303, 317 (Jan. 1955).

While Mal Daugherty’s case was pending in the district court, a Harvard law professor named Felix Frankfurter wrote an article in the New Republic entitled “Hands off the Investigations,” which was reprinted in the Congressional Record on the day it was published. See 65 Cong. Rec. 9080-82 (May 21, 1924) (introduced by Senator Ashurst). Professor Frankfurter “came out squarely for the unlimited power of congressional investigations.” Louis B. Boudin, Congressional and Agency Investigations: Their Uses and Abuses, 35 Va. L. Rev. 143, 146 (Feb. 1949).

Frankfurter proclaimed “[i]t is safe to say that never in the history of this country have congressional investigations had to contend with such powerful odds, never have they so quickly revealed wrongdoing, incompetence, and low public standards on such a wide scale, and never have such investigations resulted so effectively in compelling correction through the dismissal of derelict officials.” 65 Cong. Rec. 9081. He sniggered at the suggestion that the Daugherty hearings were unfair because the witnesses who  testified were disreputable (sound familiar?), noting “[i]t is the essence of the whole Daugherty affair that the Attorney General of the United States was involved in questionable association with disreputable characters.” He also rejected the notion that congressional investigations should be subject to rules of evidence or other technical limitations applicable in court, asserting that “[t]he procedure of congressional investigation should remain as it is.” 65 Cong. Rec. 9082.

Just ten days later (May 31, 1924), Mal Daugherty’s habeas petition was granted by US District Judge Cochran (to whom the case for some reason had been reassigned). The court found that the Senate investigation of the (now former) attorney general was beyond the Senate’s constitutional power. See Ex Parte Daugherty, 299 Fed. 620 (S.D. Ohio 1924). Following the reasoning of Kilbourn, Judge Cochran expressed “very serious doubt” whether the Senate had the power to issue compulsory process in any legislative investigation, but he found it unnecessary to rest his decision on that ground. Instead, he reasoned that the Senate was not conducting a proper legislative investigation, but rather it was making an improper attempt to put Harry Daugherty on trial. See id. at __ (“What the Senate is engaged in is not investigating the Attorney General’s office; it is investigating the former Attorney General.”). This was a judicial function that could only be performed by a court or by the House of Representatives pursuant to its impeachment power. The court explained:

[T]he Senate has no power to impeach any Federal officer at the bar of public opinion, no matter what possible good may come of it. It is not within its province to harass, annoy, put in fear, render unfit, or possibly drive from office any such officer, high or low, by instituting such impeachment proceedings against him. The power to impeach under the Federal Constitution resides solely in the House of Representatives, and it has power to impeach solely at the bar of the Senate.

Id. at __.

Judge Cochran’s analysis in many respects mirrors that of Judge Rao in her Mazars dissent in the D.C. Circuit. Indeed, Judge Rao makes a point of identifying her position with that of Judge Cochran. See Trump v. Mazars USA LLP, No. 19-5142, slip op. at 49-50 n. 16 (D.C. Cir. Oct. 11, 2019). She claims that the Supreme Court did not disagree with the district judge on legal principle, but “simply disagreed with the district court’s characterization of the proceedings, which were not about the wrongdoing of the Attorney General but the administration of the Department of Justice as a whole.” Id. This betrays a lack of familiarity with the McGrain case since Mal Daugherty had no connection to the Department of Justice other than his knowledge of his brother’s wrongdoing.

In any event, Judge Cochran’s decision was music to the ears of Harry Daugherty’s defenders and critics of the congressional investigations. One can easily imagine that the Coolidge administration was tempted to endorse the decision (which would have undermined future congressional oversight) or at least to decline to get involved on the Senate’s side. Instead, however, Harlan F. Stone, Daugherty’s successor as attorney general, undertook to represent the Senate on appeal to the Supreme Court, thereby putting both political branches squarely on the side of congressional investigatory authority. Conveniently, though, briefing and oral argument did not take place until after the presidential election of 1924. (Stone’s opening brief was filed six days after the election).

Meanwhile, Frankfurter’s camp was preparing legal scholarship to support the Senate. In December 1924, as the McGrain case was being argued, the Harvard Law Review published a student note critical of Judge Cochran’s decision. See Note, The Power of Congress to Subpoena Witnesses for Non-Judicial Investigations, 38 Harv. L. Rev. 234 (Dec. 1924). Among other things, the note took issue with Cochran’s conclusion that the impeachment power implicitly limited the Senate’s power to conduct legislative investigations of executive wrongdoing. See id. at 238 (“Impeachment is a ponderous method of rectifying gross misconduct and consequently has been seldom employed.  By limiting the exercise of this extraordinary remedy, the Constitution could not have intended to restrict more common powers of investigation shown by experience to be necessary to the practical exercise of a federal power.”).

Although the note is unsigned, there is little doubt it reflects Frankfurter’s influence. The articles editor was Thomas G. Corcoran, a Frankfurter protege who would go on to clerk for Justice Oliver Wendell Holmes at Frankfurter’s recommendation during the 1926-27 term. (Another fun fact: Corcoran in later life became a lobbyist who notoriously once “lobbied” the Supreme Court on behalf of a client. See Bob Woodward & Scott Armstrong, The Brethren 79-86 (1979)).

A more significant piece of scholarship came from Professor Landis, Frankfurter’s Harvard colleague and frequent co-author. See James M. Landis, Constitutional Limitations on the Congressional Power of Investigations, 40 Harv. L. Rev. 153 (Dec. 1926). Landis argued that the meaning of the legislative power conveyed by the Constitution could only be understood in light of historical experience; he then marshaled British and colonial history to demonstrate that “[a] legislative committee of inquiry vested with power to summon witnesses and compel the production of records and papers is an institution rivaling most legislative institutions in the antiquity of its origin.” Id. at 159. When combined with the unbroken practice of legislative investigations since the adoption of the Constitution, he concluded that “[t]he Daugherty inquiry of 1924 is thus a direct descendant of a more ancient lineage, ancient enough, when constitutional history begins for the United States in 1789, to demand recognition as a convention entitled to constitutional standing.” Id. at 193-94.

Many years later, during the conference in Watkins v. United States, 354 U.S. 178 (1957), then Justice Frankfurter remarked that “Landis’s article on investigations turned the trick in the Daugherty case in this Court and led it to uphold the powers of Congress.” The Supreme Court in Conference (1940-1985) 299 (Del Dickinson, ed. 2001). Whether this is exactly true or not (see below), Landis’s article seems to have had a powerful effect on legal thinking about the subject of congressional investigations by “completely demolish[ing]” the historical and logical foundations of Kilbourn‘s cramped reading of the legislative power of inquiry. Boudin, 35 Va. L. Rev. at 147; see also id. at 165-66.

Several factors thus converged to support the Senate’s position before the Supreme Court in McGrain. Politically, there was little motivation for anyone to defend the conduct of the Harding administration, particularly after President Coolidge won reelection in 1924. The fact that both the executive and legislative branches agreed on a common legal position likely weighed heavily in the Senate’s favor. The intellectual firepower of Harvard law school surely did not hurt either.

Nonetheless, it appears that the outcome in McGrain was, like Waterloo, a damn close run thing. Although it was argued in December 1924, it was not decided until January 1927. (Another strike against Professor Jonathan Turley’s theory that the courts will resolve such issues quickly). This in itself suggests more internal dissension than betrayed by the ultimate unanimous decision (Harlan Stone, who was appointed to the Court during the intervening period, did not for obvious reasons participate). Cf. McGrain, 273 U.S. at 154 (“We have given the case earnest and prolonged consideration because the principal questions involved are of unusual importance and delicacy.”).

According to this March 1927 letter to Frankfurter from John Gorham Palfrey, a longtime aide to Justice Holmes, in an earlier vote on the case Justices Holmes and Brandeis were “standing out against the whole bunch,” apparently meaning that the other justices would have affirmed the district court. Although Palfrey indicated that Holmes had read “Jim’s article” and that Brandeis had distributed it to other justices including Justice Van Devanter, who was assigned the opinion, he did not believe that was the real reason for the majority switch. Instead, “Van Devanter, who has been away behind on his opinions, go around to writing the opinion for the majority a couple months ago– and found he couldn’t do it to reach the majority result.”

Whatever the true reason, Van Devanter ultimately produced a strong and unanimous opinion in support of a broad congressional investigatory authority, one that has driven a largely deferential judicial attitude toward congressional investigations ever since.

Until now. We will turn to that in our next post.

Subpoenas, Recalcitrant Witnesses, and the Senate Impeachment Trial

Law Twitter is abuzz (I guess this is a mixed metaphor) about this TPM post by Josh Marshall, who makes the following points regarding an impeachment trial in the Senate: (1) the House will have the opportunity to request subpoenas for any witnesses it wishes, including those who refused to appear during the House proceedings (e.g., Giuliani, Mulvaney, Bolton); (2) the chief justice will likely make a ruling on these requests in the first instance (the Senate could  overrule him, but probably would not); and (3) the courts will not interfere with these subpoenas because the trial of impeachment is solely a matter for the Senate. See Nixon v. United States, 506 U.S. 224 (1993). He therefore posits that the House will have a much better chance of forcing reluctant witnesses to testify in the trial than it has had in the course of its own impeachment inquiry.

I will assume that points 1 and 2 are correct, though it remains to be seen whether the Senate will restrict witnesses up front and whether the chief justice will choose to rule on motions in the first instance or simply refer them to the Senate. But what happens if the House requests that certain witnesses be subpoenaed and these requests are granted by the chief justice and/or the Senate?

As a practical matter, there will be tremendous pressure on the witnesses to comply. It is one thing to defy the authority of the House with the backing of executive branch lawyers who maintain, however implausibly, that the impeachment inquiry is illegitimate and unconstitutional.  It is quite another to defy a subpoena signed by the chief justice of the United States pursuant to the Senate’s unquestionable constitutional authority to conduct an impeachment trial of the president. It will be particularly difficult for a private citizen like Giuliani, who does not even have the veneer of “absolute immunity” or some other constitutionally based privilege, to justify a refusal to appear. But even a witness who asserts such a privilege would have to consider carefully the possibility of future prosecution for contempt of Congress or other potential consequences (Mulvaney, Bolton and Giuliani are all lawyers, for example, who could be subject to professional discipline).

If, however, a witness chooses to defy the subpoena, matters get more complicated. The fact that the Senate has exclusive jurisdiction over the conduct of an impeachment trial does not, in itself, answer the question of how to force a recalcitrant witness to obey its commands.

Here it is important to distinguish between two distinct powers that the Senate could exercise. The most frequently discussed is the contempt power, which we have been reviewing at some length. But the Senate also has the power to issue a warrant of attachment, which directs the Sergeant at Arms to arrest an individual and bring him before the bar of the Senate to be interrogated. See Barry v. United States ex rel. Cunningham, 279 U.S. 597, 616-20 (1929) (holding that the Senate could use an arrest warrant to bring before it a witness in an elections case); McGrain v. Daugherty, 273 U.S. 135, 158 (1927) (approving the same procedure in a legislative oversight investigation). The arrest warrant serves as an alternative for witnesses who cannot be relied upon to comply with a subpoena.

If the Senate is willing to employ such process, it seems to me extremely likely that it will be effective. I do not expect that the witnesses in question would  attempt to flee or physically resist the Sergeant at Arms. I certainly would not expect the executive branch to offer physical protection against execution of a warrant signed by the chief justice. Of course, if I am wrong about this, we would be in a true constitutional crisis.

More plausibly, the witnesses could attempt to challenge their arrest through a habeas proceeding. For example, Mulvaney, Bolton or other current or former senior White House advisors could argue that they are absolutely immune from congressional process, even in the context of an impeachment proceeding. I believe that this argument would have a near zero chance of success. In addition to the infirmities of the absolute immunity position which we have previously discussed, the Senate would have a strong argument that the courts lack jurisdiction even to consider the merits of the issue given its exclusive authority over impeachment. And leaving all that aside, it is difficult to imagine a federal district judge interfering with an arrest warrant signed by the chief justice.

The arrest warrant, however, only ensures that the witness’s physical appearance before the Senate. It does not address what happens if the witness still refuses to answer questions or produce documents. In that case, the Senate would have to employ the contempt power in order to force the witness to comply. This would impose substantially greater costs on the Senate. For one thing, it would have to interrupt the impeachment trial to conduct a collateral proceeding in which the witness would be asked to show cause why he should not be held in contempt. For another, if the witness is adjudged guilty of contempt, the Sergeant at Arms would have to keep him in custody until he agrees to testify (or the impeachment trial concludes). There would also be a greater risk of judicial interference if a witness is held for a substantial period of time.

In all likelihood, though, it will not be necessary for the Senate to take things that far. If the Senate subpoenas witnesses requested by the House and indicates that it is serious about enforcement (whether by way of criminal referral or otherwise), I expect those witnesses to appear and answer questions (though there may be some assertions of executive privilege).

Update on BLAG’s Authority to Initiate Subpoena Enforcement Action

As I discussed in a prior post,  House Rule II(8)(B) currently provides with respect to the Bipartisan Legal Advisory Group:

There is established a Bipartisan Legal Advisory Group composed of the Speaker and the majority and minority leaderships. Unless otherwise provided by the House, the Bipartisan Legal Advisory Group speaks for, and articulates the institutional position of, the House in all litigation matters.

As I noted in the prior post, it is possible to argue that this provision authorizes BLAG to initiate litigation on behalf of and in the name of the House. This raises the question whether BLAG could file a subpoena enforcement action on behalf and in the name of the House without a House vote on the particular subpoena in question. Such an interpretation would have to be squared with the language of House Rule XI that “[c]ompliance with a subpoena issued by a committee or subcommittee . . . may be enforced only as authorized or directed by the House.”

It turns out that I was not the first person to think of this. Unbeknownst to me (and, I suspect, most House members), Rules Committee Chairman Jim McGovern had inserted the following statement in the record on January 3, 2019:

I want to speak regarding House Rule II(8)(B). Pursuant to this provision, the Bipartisan Legal Advisory Group (BLAG) is delegated the authority to speak for the full House of Representatives with respect to all litigation matters. A vote of the BLAG to authorize litigation and to articulate the institutional position of the House in that litigation, is the equivalent of a vote of the full House of Representatives. For example, in the 115th Congress, the BLAG, pursuant to Rule II(8)(B), authorized House Committees to intervene in ongoing litigation. The BLAG has been delegated this authority for all litigation matters, and I want to be clear that this includes litigation related to the civil enforcement of a Committee subpoena. If a Committee determines that one or more of its duly issued subpoenas has not been complied with and that civil enforcement is necessary, the BLAG, pursuant to House Rule (II)(8)(B), may authorize the House Office of General Counsel to initiate civil litigation on behalf of this Committee to enforce the Committee’s subpoena(s) in federal district court.

Based on this “legislative history,” would a court conclude that BLAG’s authority to “speak[] for, and articulate[] the institutional position of, the House in all litigation matters” empowers it to authorize a committee to bring suit in federal court? I remain somewhat skeptical, but Chairman McGovern’s statement presumably would strengthen that argument. It appears, however, that the House is planning to adopt a much more explicit resolution on that issue, which is wise.