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MNN US · May 17, 2026 · 1 min read

Senator Bill Cassidy loses Louisiana primary amid Trump-backed challenge

What happened: Senator Bill Cassidy, a two-term Republican, failed to secure enough votes to advance to the runoff in Louisiana's primary election. This follows his vote to convict former President Trump in the 2021 impeachment trial.

Why it matters:

  • Cassidy's loss signals ongoing influence of Trump endorsements in GOP primaries.
  • The result affects Louisiana's Senate representation and the broader Republican Party dynamics.

MNN Take: Cassidy's defeat highlights the continuing impact of former President Trump's role in shaping Republican primaries, especially in states where his support remains strong.

Sources: NYTimes US