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● InformationalElections / Campaigns

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

Letlow is challenging Cassidy after receiving Trump’s endorsement.

Sen. Cassidy battles Trump-backed challenger in Louisiana Republican primary
Image · ABC News

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Outlet credibilityABC News84/100 HIGH
This article1 analysis · Oct 6, 2026
ABC News
May 16, 2026
tl;dr

Sen. Bill Cassidy faces Rep. Julia Letlow and state Treasurer John Fleming in Louisiana’s Republican Senate primary, with President Donald Trump backing Letlow. The contest could determine who is strongly favored in November, while a separate change to Louisiana’s House primary schedule may confuse voters.

Community verdict

VOTING CLOSED
How does this story look for
Julia Letlow R · LA-5
NOT RATEDCLOSED

No good or bad look here

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

● INFORMATIONAL

People in this story

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Julia Letlow
R · LA-5

Representative and challenger in Louisiana’s Republican Senate primary

PRIMARY SUBJECT
Donald Trump
R · President of the United States

President who endorsed Letlow and criticized Cassidy

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

Incumbent senator seeking reelection in Louisiana’s Republican primary

Cassidy's version of this story ↗
Robert F. Kennedy Jr.
R · Secretary of Health and Human Services

Health secretary whose confirmation and vaccine policies are discussed

Senate candidate and Louisiana state treasurer

Former House member-elect and Julia Letlow’s late husband

ALSO MENTIONED  Casey Means, Trump’s second choice for surgeon general; Jeff Landry, Louisiana governor who delayed the congressional primaries

Part of a bigger story

43 OUTLETS
Julia Letlow Advances to Louisiana Senate Runoff

Julia Letlow and John Fleming advanced to a runoff in Louisiana’s Republican Senate primary, while Bill Cassidy finished third and did not advance. Letlow had President Trump’s endorsement. Center outlets emphasize the result and often present the race as a test of Trump’s influence, with Cassidy’s impeachment vote as context. Right-leaning outlets also stress Trump’s role but more often cast Cassidy’s loss as payback for that vote.

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