St. Tammany Parish Councilwoman Kathy Seiden is stepping off the statewide stage and throwing her support behind Rep. Julia Letlow in Louisiana’s Republican U.S. Senate primary, tightening an already tense GOP fight. She suspended her Senate bid last night at a River Region Republican Women’s Group meeting in Kenner, pitching the move as a play to keep Republicans from splitting their own vote ahead of the spring contest.
Seiden says unity matters
Seiden told the crowd, “To win this fight, we can't be divided; we cannot fracture our movement, and we need to be a united front,,” according to WDSU. She also nodded to the political math after former President Donald Trump backed Letlow, and she pointed to incumbent Sen. Bill Cassidy’s roughly $10 million campaign fund compared with Letlow’s roughly $2 million. Political analyst Ed Chervenak, who said a Trump endorsement carries extra weight in Louisiana’s closed primary system.
Trump’s backing altered the map
Trump publicly offered his complete and total endorsement of Letlow just days before she formally launched her Senate campaign, a move that led several potential contenders to rethink jumping into the race, as reported by E&E News by Politico. Letlow quickly leaned into that support, presenting herself as a Trump-aligned alternative to Cassidy and drawing attention and donors from key parts of the Republican base.
Field shuffle: Miguez pivots to House run
The dominoes kept falling when State Sen. Blake Miguez bowed out of the Senate scrum and announced a run for the 5th Congressional District seat Letlow is vacating, according to Louisiana Illuminator. His pivot further narrows the Senate field, which now centers on Cassidy, Letlow, State Treasurer John Fleming and Public Service Commissioner Eric Skrmetta as Republicans head toward the May party primary.
Where it stands and what’s next
Louisiana’s party primary is set for May 16, with a second-round party primary on June 27 if no candidate secures a majority, according to the Louisiana Secretary of State. With qualifying wrapped and early voting windows locked in, the next phase is all about turning endorsements into ground game in a closed primary that keeps unaffiliated voters on the sidelines unless the parties decide to open the doors.
Seiden’s exit is modest in dollars but pointed in timing, signaling that at least some local pro-Trump Republicans are rallying behind Letlow. With the May showdown creeping closer, the test is whether that consolidation and a few well-timed withdrawals can chip away at Cassidy’s financial advantage and his Senate seniority.
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