Congressional Record

Sen. Cassidy Hosts Final Seersucker Day After Louisiana Primary Loss

Cassidy's exit removes the sole Republican steward of a 13-year bipartisan Senate tradition, leaving its future leadership structure unresolved.

The Congressional Times · June 11, 2026

Sen. Bill Cassidy (R-LA) presided over the 13th annual Senate Seersucker Day on Thursday, June 5, 2026, marking what is expected to be his final act as the event's Republican host following his loss in Louisiana's May 2026 Republican Senate primary, according to reporting by the Washington Examiner. The annual event, in which senators and staff don seersucker suits in a display of bipartisan camaraderie, has been co-hosted across party lines since Cassidy helped establish the tradition in 2013.

Cassidy was defeated in the primary after Rep. Julia Letlow (R-LA), identified by the Washington Examiner as a candidate backed by President Donald Trump, advanced to the runoff. Cassidy, who drew significant intraparty criticism after voting to convict Trump in the February 2021 Senate impeachment trial — a vote recorded in the Congressional Record, 117th Congress — had faced a difficult reelection environment within his party. His Senate term is scheduled to conclude in January 2027.

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Seersucker Day, while informal in nature, has been cited by participating senators from both parties as one of the few remaining cross-aisle social traditions on Capitol Hill. No Republican senator has publicly announced plans to assume organizational responsibility for the event following Cassidy's departure. The Washington Examiner noted that Cassidy's exit could contribute to increased partisanship in the Senate, though no specific institutional mechanism ties the event's continuation to any individual member.

Cassidy's primary loss is part of a broader pattern in which Republican incumbents perceived as insufficiently aligned with Trump have faced primary challenges. Among the seven Republican senators who voted to convict Trump in 2021, several have since retired, lost primaries, or announced they would not seek reelection, based on publicly available Senate voting records and Federal Election Commission filings.

What remains unknown is whether any sitting senator from either party will formally take over coordination of Seersucker Day for the 2027 session, and whether Letlow, if she wins the general election, would pursue the role. A statement from Letlow's office or a future Senate scheduling announcement would be the public record most likely to answer that question.

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