Trump-backed Rep. Julia Letlow advances to runoff in Louisiana GOP Senate primary, CBS News projects

Updated on: May 16, 2026 / 10:58 PM EDT / CBS News

Trump-backed Rep. Julia Letlow advances to runoff in Louisiana GOP Senate primary, CBS News projects

TL;DR

  • Rep. Julia Letlow and Louisiana state Treasurer John Fleming will advance to the Louisiana Republican primary for Senate.
  • Incumbent Republican Sen. Bill Cassidy will not seek a third term.
  • Letlow, endorsed by former President Trump, has challenged Cassidy, who voted to convict Trump in his impeachment trial.
  • Cassidy has clashed with Health and Human Services Secretary Robert F. Kennedy Jr.
  • The contest is seen as a test of Trump's influence.
  • Louisiana is a solidly red state, and the winner of the GOP primary is likely to win the general election.