Trump-Backed Letlow Leads Louisiana Senate Primary; Cassidy Falls to Third

Cover image from npr.org, which was analyzed for this article
Trump-backed challenger defeats two-term Republican Sen. Bill Cassidy, who had voted to convict Trump in 2021. The loss is widely viewed as a warning to other GOP lawmakers considering defiance of the president. Coverage spans left-leaning outlets like NYT and NPR alongside right-leaning sources like Breitbart and Fox News.
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Cassidy’s defeat shows that Republican primary voters in Louisiana punished the senator’s 2021 impeachment vote and subsequent policy friction with Trump-aligned factions. The June runoff between Letlow and Fleming will test whether Trump’s endorsement alone decides the nominee or whether voters demand additional conservative credentials.
What outlets missed
Most accounts omitted county-level vote breakdowns that would show whether Cassidy’s support collapsed uniformly or held in specific parishes. Few noted that Cassidy had secured four recent bills signed by Trump, a detail he cited to argue he could still work with the president. Coverage also underplayed the role of closed primaries in limiting crossover votes and the absence of any public polling released in the final weeks that might have quantified Cassidy’s deficit.
Trump's Revenge Mission Claims Another GOP Victim as Louisiana Senator Cassidy Falls in Primary
President Donald Trump notched another victory in his ongoing purge of Republican dissenters on Saturday when Louisiana voters rejected two-term Senator Bill Cassidy in the state's GOP primary. The outcome leaves Trump's endorsed candidate, Representative Julia Letlow, and state Treasurer John Fleming headed for a June 27 runoff while underscoring the former president's tightening grip over a party that now treats loyalty to him as the ultimate litmus test.
Cassidy finished a distant third with roughly 25 percent of the vote, according to the Associated Press. Letlow led with about 45 percent, and Fleming followed with 28 percent. Neither challenger reached the majority needed to avoid a runoff, but Cassidy's elimination marked the effective end of his Senate career after he became one of seven Republicans to vote to convict Trump during the 2021 impeachment trial tied to the January 6 Capitol attack.
Trump made no effort to hide his satisfaction. Hours before polls closed he took to Truth Social to label Cassidy a "disloyal disaster" and a "sleazebag" who had turned on the man who helped elect him. The president added that Cassidy was "BAD FOR LOUISIANA" and deserved to be "CLOBBERED." After the results came in, Trump went further, declaring the senator's "disloyalty to the man who got him elected is now a part of legend."
The attacks were hardly new. Trump had spent years targeting Cassidy for the impeachment vote and had actively recruited Letlow to challenge him. Cassidy, who had tried to mend fences by highlighting areas of legislative cooperation, acknowledged the political cost of his 2021 decision but refused to retreat from it. In his concession remarks he pointedly distanced himself from any single individual's dominance, insisting that the country belongs to its Constitution and its people rather than one leader's personal vendettas.
The result fits a familiar pattern. Of the seven Senate Republicans who voted to convict Trump, only three remained in office entering this cycle. Cassidy's defeat follows earlier primary challenges against others who broke with the former president. Letlow, who has criticized Cassidy for bipartisan work on diversity initiatives, now carries Trump's clear blessing into the runoff against Fleming, another Trump-aligned figure.
For Democrats and critics of the former president, the Louisiana outcome illustrates how accountability for January 6 continues to be treated as an unforgivable offense inside today's Republican Party. Cassidy's loss, achieved despite his heavy spending and long incumbency, shows that even measured criticism of Trump carries steep electoral consequences in a primary electorate shaped by the former president's repeated calls for retribution.
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