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◆ Mixed look for TrumpElections / Campaigns

Louisiana Sen. Bill Cassidy loses in Republican primary, does not advance to runoff

Trump backed Letlow and urged Louisiana Republicans to reject Cassidy, making the result a test of his party influence.

Louisiana Sen. Bill Cassidy loses in Republican primary, does not advance to runoff
Image · 90.5 WESA

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This article1 analysis · Oct 6, 2026

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76 stories · 89–90 · updated Oct 7, 2026

This is NPR's own score, and this article is credited to NPR. The host score in the Source Check is 90.5 WESA's.

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May 17, 2026
tl;dr

Louisiana Sen. Bill Cassidy finished third in the Republican primary and will not advance to the runoff, while Rep. Julia Letlow and state Treasurer John Fleming will compete for the nomination. The result is described as a test of President Trump's influence over Republican voters.

Community verdict

37 VOTES
How does this story look for
Donald Trump R · President of the United States
● OPEN

People in this story

SWIPE →
Donald Trump
R · President of the United States

President who recruited Letlow and campaigned against Cassidy

PRIMARY SUBJECT
Julia Letlow
R · LA-5

Louisiana representative and Republican Senate candidate advancing to the runoff

Letlow's version of this story ↗
Bill Cassidy
R · LA · SEN

Louisiana senator who lost the Republican primary

Cassidy's version of this story ↗
Susan M. Collins
R · ME · SEN

Maine senator whose reelection race is discussed for comparison

Liz Cheney
Former U.S. Representative (R-WY)

Former representative cited as another Republican Trump targeted

Thomas Massie
R · KY-4

Kentucky representative facing a Trump-endorsed primary challenger

Lisa Murkowski
R · AK · SEN

Alaska senator whose 2022 reelection is cited for comparison

Robert F. Kennedy Jr.
R · Secretary of Health and Human Services

Secretary of Health and Human Services whose nomination Cassidy helped advance

Marjorie Taylor Greene
Former U.S. Representative (R-GA)

Former representative cited as another Republican Trump targeted

Thom Tillis
R · NC · SEN

North Carolina senator cited as an example of a vocal Trump critic

Louisiana state treasurer and Republican Senate candidate advancing to the runoff

ALSO MENTIONED  Jeff Landry, Louisiana governor

Part of a bigger story

34 OUTLETS
Bill Cassidy Finishes Third in Louisiana Republican Primary

Donald Trump backed Julia Letlow and opposed Bill Cassidy, who finished third in Louisiana’s Republican Senate primary as Letlow and John Fleming advanced to a runoff. Left-leaning outlets portray the defeat as part of Trump’s effort to remove Republicans who oppose him. Center outlets also connect the result to Trump’s pressure on GOP critics, but emphasize what it shows about his influence over the party. Right-leaning outlets mostly present the result as a win for Trump over Cassidy, with one linking it to Cassidy’s impeachment vote and another crediting Trump’s political influence.

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