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Sen. Cassidy loses La. GOP primary to Trump-backed candidate

The incumbent campaigned to retain his seat but did not advance to the runoff.

Sen. Cassidy loses La. GOP primary to Trump-backed candidate
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This article1 analysis · Oct 6, 2026

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May 16, 2026
tl;dr

Julia Letlow and John Fleming advanced to a runoff in Louisiana’s Republican Senate primary, leaving incumbent Bill Cassidy out of the next round. President Donald Trump backed Letlow and publicly attacked Cassidy.

Community verdict

VOTING CLOSED
How does this story look for
Bill Cassidy R · LA · SEN
NOT RATEDCLOSED

No good or bad look here

This story reports what happened without casting Cassidy in a good or bad light, so readers don’t rate it and it doesn’t count toward Cassidy’s record.

● INFORMATIONAL

People in this story

SWIPE →
Bill Cassidy
R · LA · SEN

Louisiana senator who failed to advance to the runoff

PRIMARY SUBJECT
Donald Trump
R · President of the United States

President whose endorsement and attacks featured in the Louisiana Senate primary

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

Louisiana representative who advanced to the Republican Senate primary 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

Health and Human Services secretary whose vaccine policy drew criticism from Cassidy

Trump-backed candidate challenging Thomas Massie in Kentucky

Louisiana Senate candidate who advanced to the runoff

ALSO MENTIONED  Casey Means, Trump’s second choice for surgeon general; Dadrius Lanus, Executive director of the Louisiana Democratic Party; Mary-Patricia Wray, Consultant to Republican and Democratic candidates in Louisiana

Part of a bigger story

55 OUTLETS
Bill Cassidy Finishes Third in Louisiana Republican Senate Primary

Outlets agree that Bill Cassidy finished third in Louisiana’s Republican Senate primary and will not advance, while Julia Letlow and John Fleming advance to a runoff. Left-leaning outlets frame the result mainly as part of Trump’s effort to oust Republicans who opposed him, often noting Cassidy’s criticism in his concession. Center outlets largely treat it as a test of Trump’s influence and report both his celebration and Cassidy’s response. Right-leaning outlets stress Cassidy’s break with Trump or voters’ rejection of his record, while some portray the result as evidence Trump’s endorsement still carries weight.

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