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Sen. Cassidy battles Trump-backed challenger in Louisiana Republican primary

Trump’s endorsement of Letlow and his attacks on Cassidy feature prominently in the account of the Louisiana primary.

Sen. Cassidy battles Trump-backed challenger in Louisiana Republican primary
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This article1 analysis · Oct 6, 2026

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May 15, 2026
tl;dr

Bill Cassidy lost Louisiana’s Republican Senate primary, while Julia Letlow and John Fleming advanced to a June 27 runoff. The report describes President Donald Trump’s endorsement of Letlow and his attacks on Cassidy as central factors in the contest.

Community verdict

42 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 endorsed Letlow and attacked Cassidy and Massie

PRIMARY SUBJECT
Bill Cassidy
R · LA · SEN

Louisiana senator defeated in the Republican primary

Cassidy's version of this story ↗
Julia Letlow
R · LA-5

Louisiana representative and Republican Senate candidate advancing to the runoff

Letlow's version of this story ↗
Thomas Massie
R · KY-4

Kentucky representative facing a Trump-backed primary challenger

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

Secretary of Health and Human Services

Democratic Senate candidate advancing to a runoff in Louisiana

Democratic Senate candidate in Louisiana

Democratic Senate candidate in Louisiana

Republican challenger to Thomas Massie in Kentucky

Louisiana treasurer and Republican Senate candidate advancing to the runoff

ALSO MENTIONED  Casey Means, Trump’s second choice for surgeon general; Dadrius Lanus, Executive director of the state Democratic Party

Part of a bigger story

45 OUTLETS
Bill Cassidy Loses Louisiana Republican Primary

Bill Cassidy finished third and was eliminated from Louisiana’s Republican Senate primary; Julia Letlow and John Fleming advanced to a runoff. Donald Trump backed Letlow and campaigned against Cassidy. Left-leaning outlets link Cassidy’s defeat to Trump’s campaign against him and Cassidy’s conflicts with the administration. Center outlets mostly treat the result as a test of Trump’s influence, while also reporting the race and, in some coverage, Louisiana election concerns. Right-leaning outlets emphasize Trump’s backing of Letlow as a political win and portray Cassidy’s defeat as a rebuke of his opposition to Trump.

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