This page presents competing interpretations of Justice Owen Roberts's shift in voting behavior on the U.S. Supreme Court in early 1937 - a change commonly described by the phrase “the switch in time that saved nine.” The question at issue is whether Roberts's changed position in West Coast Hotel Co. v. Parrish (March 1937) and NLRB v. Jones & Laughlin Steel Corp. (April 1937) represented a genuine doctrinal reconsideration driven by legal argument and internal deliberation, or whether it constituted a strategic capitulation to political pressure following President Franklin D. Roosevelt's February 1937 court-packing proposal. The debate engages questions of judicial independence, constitutional methodology, and institutional history, and remains unresolved among legal scholars and historians.

For the factual background on the court-packing episode and its legislative outcome, see New Deal - History. For the broader dispute over whether Roosevelt's court-packing proposal was itself a legitimate exercise of authority, see Court-Packing 1937 - Debate.

—

The traditional interpretation, widely cited in legal and historical writing through most of the twentieth century, holds that Roberts's shift was a response to the political threat posed by Roosevelt's court-packing plan. On this account, Roberts - who had voted with the conservative “Four Horsemen” (Van Devanter, McReynolds, Sutherland, and Butler) in striking down New Deal legislation as recently as 1936 - recognized that the Court's institutional standing depended on some accommodation of popular democratic will. With Roosevelt's landslide reelection in 1936 and the court-packing bill pending before Congress, the Court faced a genuine threat to its composition and independence. Roberts's pivot preserved the Court as an institution by removing the political rationale for reorganizing it.

Proponents of this view point to the timing: Roberts voted in conference in West Coast Hotel before Roosevelt submitted the court-packing bill, but the case had been argued in December 1936, shortly after the election, and the ideological pressure of Roosevelt's overwhelming mandate was already evident. Others emphasize that the sequence of decisions - first West Coast Hotel, then the Wagner Act cases, then the Social Security cases - tracked the political calendar of the court-packing fight closely enough to suggest responsiveness to external pressure rather than independent legal development. The result was functionally indistinguishable from what Roosevelt was demanding: the Court ceased to be an obstacle to New Deal legislation, and the constitutional doctrines that had constrained federal power were quietly abandoned.

The phrase “switch in time that saved nine” encapsulates this reading: Roberts's vote saved the Court from Roosevelt's plan to add justices. This interpretation is widely cited in constitutional law casebooks, popular histories, journalism, and undergraduate pedagogy.

—

A revisionist interpretation, developed most rigorously by constitutional historian Barry Cushman in Rethinking the New Deal Court (1998) and advanced by other scholars including Richard Friedman, holds that Roberts's shift had little or nothing to do with the court-packing threat and should instead be understood as the product of internal doctrinal development that predated the political crisis. This interpretation has gained significant traction in the scholarly literature since the 1990s.

On this account, several considerations undermine the political pressure narrative. First, Roberts voted in conference in West Coast Hotel on December 19, 1936 - before Roosevelt submitted the court-packing bill on February 5, 1937. The vote was not publicly known, but the internal record establishes that Roberts's doctrinal position changed before the proposal was announced. Second, Roberts had never been a consistent member of the Four Horsemen bloc; his earlier votes against New Deal measures, particularly in Tipaldo (1936), reflected his application of existing precedent rather than an ideologically fixed hostility to labor regulation. Third, Cushman argues that the legal questions in West Coast Hotel were meaningfully different from those in Tipaldo - the Washington state minimum wage law at issue in West Coast Hotel was distinguishable from the New York law struck down in Tipaldo in ways that provided a legitimate legal basis for Roberts to reach a different result without abandoning his earlier reasoning.

More broadly, this interpretation holds that the Court's post-1937 jurisprudence is better explained by doctrinal evolution under pressure from the three liberal justices (Brandeis, Cardozo, Stone), changes in the legal arguments being made, and the replacement of invalidated statutes with better-drafted legislation than by judicial fear of Roosevelt's political threat. Cushman and others argue that the “switch in time” narrative oversimplifies a complex internal legal history and imports a presentist assumption - that courts respond to political pressure - that the historical record does not straightforwardly support.

—

Scholars on both sides agree on the following:

• Roberts voted with the majority in West Coast Hotel before the court-packing bill was publicly announced, based on the conference record.
• The Court's post-1937 jurisprudence represented a substantial and lasting change in constitutional doctrine regarding federal commerce power, due process, and deference to legislative economic judgments.
• Roosevelt made eight Supreme Court appointments between 1937 and 1943, which reshaped the Court's composition entirely and reinforced the post-1937 doctrinal direction regardless of what caused the initial shift.
• The court-packing bill failed in the Senate.
• The exact causal mechanism of Roberts's changed position cannot be definitively established from the available documentary record. Roberts himself left no personal account explaining his shift.

—

• New Deal - Main topic
• New Deal - History
• Court-Packing 1937 - Debate
• New Deal Constitutional Crisis - History
• New Deal - Debate

—

1. Barry Cushman, Rethinking the New Deal Court: The Structure of a Constitutional Revolution (Oxford University Press, 1998) - the central statement of the doctrinal continuity interpretation.

2. Richard D. Friedman, “Switching Time and Other Thought Experiments: The Hughes Court and Constitutional Transformation,” University of Pennsylvania Law Review 142 (1994): 1891-1984 - an early challenge to the political pressure narrative.

3. William E. Leuchtenburg, The Supreme Court Reborn: The Constitutional Revolution in the Age of Roosevelt (Oxford University Press, 1995) - defends the political pressure interpretation with extensive historical evidence.

4. Merlo J. Pusey, Charles Evans Hughes, 2 vols. (Macmillan, 1951) - the standard biography of the Chief Justice, including the court-packing period.

5. Jeff Shesol, Supreme Power: Franklin Roosevelt vs. the Supreme Court (W.W. Norton, 2010) - a narrative account sympathetic to the political pressure interpretation.

6. G. Edward White, The Constitution and the New Deal (Harvard University Press, 2000) - examines the jurisprudential transformation from a different angle, questioning both dominant interpretations.

7. Laura Kalman, “The Constitution, the Supreme Court, and the New Deal,” American Historical Review 110, no. 4 (2005): 1052-1080 - a historiographical survey of the scholarly debate.

8. West Coast Hotel Co. v. Parrish, 300 U.S. 379 (1937).

9. NLRB v. Jones & Laughlin Steel Corp., 301 U.S. 1 (1937).

10. Morehead v. New York ex rel. Tipaldo, 298 U.S. 587 (1936).