In a decisive move, Louisiana Republicans delivered their verdict on Senator Bill Cassidy’s political future, more than two years after he voted to convict former President Donald Trump in February 2021. The decision came on Saturday when Cassidy failed to secure a spot in the top two during the Republican primary, effectively ending his Senate tenure.
Having served as a U.S. Senator for Louisiana since 2015, Cassidy will not proceed to the June 27 runoff. Instead, the contest now shifts to Trump-endorsed Representative Julia Letlow and State Treasurer John Fleming. These two candidates will vie against each other to represent the Louisiana Republican Party in the general election this November. Given the state’s political leanings, the June 27 runoff is expected to be the decisive battle.
INDICATORS WERE CLEAR: Bill Cassidy Faced a Tough Path to the Runoff This Saturday
Cassidy’s decision to vote for Trump’s conviction after the January 6, 2021 Capitol riot marked him as a controversial figure within his party. The Louisiana Republican Party formally censured him, and Trump made it clear that Cassidy was on his radar. Over the subsequent years, his vote influenced every poll, opponent, and endorsement he encountered.
The Impeachment Vote That Defined a Career’s End
The dynamics shifted when Trump officially backed Letlow on January 18, 2026, and she entered the race shortly thereafter. This move sent a strong signal, given Louisiana’s staunch support for Trump. Reports indicate that Cassidy was the sole Republican senator targeted by Trump’s team for electoral defeat this cycle, and the outcome of Saturday’s primary suggests that their strategy was successful.
Trump endorsed Letlow on January 18, 2026. She entered the race two days later. The message was unambiguous: Louisiana is one of the most Trump-aligned states in the country, and the president wanted Cassidy gone. According to reports, Cassidy was the only Republican senator Trump’s team actively targeted for defeat in this cycle. Saturday’s result suggests the effort worked.
What the Runoff Actually Decides
With Cassidy out, the race narrows to a question that cuts to the center of Republican politics heading into the midterms: does Trump’s endorsement close the deal, or does a candidate who earned his position without it have a viable path?
Letlow represents Louisiana’s 5th Congressional District in the northeastern part of the state. She entered the race with the full weight of the Trump-Landry coalition behind her, and she runs into the runoff carrying that endorsement. Fleming, Louisiana’s current State Treasurer and a former congressman who represented the 4th District from 2009 to 2017, built his campaign from the ground up. He was in this race before Letlow was. He was a founding member of the House Freedom Caucus, served in Trump’s first administration, and consolidated rural Louisiana without the president’s formal backing.
The runoff is a live test of those two different varieties of Trump-aligned conservatism — the candidate the president chose, and the candidate who was already there.
