President Trump’s influence over Republican primaries added another victory Saturday night as Rep. Julia Letlow defeated Louisiana State Treasurer John Fleming in the Republican runoff for Louisiana’s open U.S. Senate seat.
The result was significant for several reasons, but perhaps the biggest was what happened before the runoff ever began. Incumbent Sen. Bill Cassidy, one of the few Republicans who voted to convict President Trump during his second impeachment trial, failed to even make it to the final round. Cassidy was eliminated in the May primary after finishing behind both Letlow and Fleming.
That outcome alone sent a message. Saturday’s runoff reinforced it.
According to Louisiana election results, Letlow secured 56.3 percent of the vote compared to Fleming’s 43.7 percent. With a comfortable margin separating the two candidates, the race was called without much suspense.
The contest had drawn national attention because President Trump made his preference clear from the beginning. Reports indicated that Trump backed Letlow before she officially entered the race in January. Throughout the campaign, she emphasized that endorsement and tied her platform closely to the America First agenda that continues to dominate Republican politics.
Letlow also benefited from support inside Louisiana, including backing from Gov. Jeff Landry, one of President Trump’s strongest allies in the state.
Fleming was hardly an unknown candidate. A former congressman, he later served in President Trump’s first administration as a White House deputy chief of staff. During the campaign, Fleming argued that he was the most conservative candidate in the field and highlighted his record both in Congress and the White House.
But in the end, Republican voters chose the candidate carrying President Trump’s official endorsement.
Letlow’s campaign celebrated the victory by highlighting Trump’s praise for her candidacy. According to campaign statements, the president described her as a proven winner who would advance priorities such as border security, American energy production, lower taxes, reduced regulations, support for farmers and fishermen, stronger law enforcement, veterans’ issues, and protection of Second Amendment rights.
The victory continues a broader trend within Republican politics. In recent election cycles, President Trump has increasingly targeted Republicans who opposed him or broke with him on major issues. Louisiana became another example of that pattern, as Cassidy’s political career in the Senate effectively came to an end before the runoff, while Trump’s preferred candidate advanced and ultimately won.
Letlow’s own political story remains one of the more remarkable in modern Louisiana politics. She first won her House seat in 2021 after the tragic death of her husband, Luke Letlow, who passed away from COVID-19 just days before he was scheduled to be sworn into Congress.
Now she is positioned for a much larger role.
With the Republican nomination secured, Letlow advances to the November general election, where she is expected to face Democratic nominee Jamie Davis and other candidates. Given Louisiana’s Republican leanings, she enters the race as a strong contender.
For many observers, however, Saturday’s result was about more than one Senate seat. It was another demonstration that President Trump’s endorsement remains one of the most powerful forces in Republican politics, particularly in deeply conservative states where voters continue to align themselves closely with his agenda and political movement.

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