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President Donald Trump bashed Sen. Bill Cassidy, R-La., who is running for reelection, in a Saturday morning Truth Social Post, calling him a “sleazebag” and “a terrible guy.”
Trump originally endorsed Cassidy’s leading primary challenger, Rep. Julia Letlow, R-La., in January, and renewed his support for her in his Saturday message.
“VOTE TODAY FOR JULIA L. She Is a winner who will NEVER let you down,” Trump wrote.
Trump’s criticisms of Cassidy centered on the Senator’s vote to convict Trump during his 2021 impeachment.
“Senator Bill Cassidy of Louisiana is a disloyal disaster. His entire past campaign for the Senate was about ‘TRUMP,’ how he’s with me all the way, and then, after winning, he turned around and voted to IMPEACH me for something that has now proven to be total ‘bull—-!’” Trump wrote. “He knew that at the time, but didn’t care.”
Sen. Bill Cassidy, R-La., ranking Member on the Senate Health, Education, Labor, and Pensions Committee, said the change to the vaccine schedule “is a mistake.” (Kevin Dietsch/Getty Images)
Cassidy voted yes to convict Trump on a single article of impeachment which accused Trump of inciting insurrection in 2021.
“Our Constitution and our country is more important than any one person. I voted to convict President Trump because he is guilty,” Cassidy said at the time.
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He has been mired in an adversarial relationship with Trump ever since.
As chair of the Senate Health, Education, Labor and Pensions Committee, Cassidy was instrumental in advancing the nomination of Robert F. Kennedy Jr. as Trump’s Health and Human Services (HHS) Secretary. But he did so only after extracting a number of concessions from Kennedy Jr. and heavily criticized Kennedy’s past stances on vaccine safety.
Robert F. Kennedy, Jr., President Trump’s nominee to serve as Secretary of Health and Human Services testified during a heated Senate Committee on Health, Education, Labor and Pensions confirmation hearing, on Capitol Hill, Thursday, Jan. 30, 2025, in Washington. (AP Photo/Rod Lamkey, Jr.) (AP Photo/Rod Lamkey, Jr.)
Trump then blasted Cassidy in April, blaming him for the failed nomination of Kennedy Jr. ally Casey Means as Surgeon General.
“For months, Senator Bill Cassidy (of the GREAT State of Louisiana!), a very disloyal person whose ‘TRUMP’ Endorsement got him elected, but later voted to impeach ‘President Trump’ on what has now proven to be a total Hoax and Scam, has stood in the way of Robert F. Kennedy Jr.’s Nominee, Casey Means, for the important position of U.S. Surgeon General,” Trump wrote in an April 30 post on Truth Social.
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He has ramped up his attacks on Cassidy ahead of Saturday’s GOP primary in Louisiana while continuing to boost Letlow, who he endorsed before she even officially entered the race.
President Donald Trump poses with Rep. Julia Letlow (R-LA), right Letlow, during the Congressional Ball in the Grand Foyer at the White House in Washington, D.C., on December 11, 2025. (Al Drago/REUTERS)
“Not only did he encourage me to get into this race, but also to have his complete and total endorsement has been, wow, the honor of a lifetime,” Letlow previously told Fox News Digital.
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Fox News Digital’s Paul Steinhauser and Luke Trevisan contributed to this report.