Rep. Julia Letlow became a congresswoman after replacing her late husband, Luke.

Congresswoman Julia Letlow and state Treasurer John Fleming will face each other in the Republican U.S. Senate primary runoff ...

Julia Letlow ousted Sen. Bill Cassidy Saturday in Louisiana’s hotly contested Republican Senate primary. State Treasurer John ...

Trump-backed Congresswoman Julia Letlow and Louisiana Treasurer John Fleming advanced to a June 27 runoff after Cassidy ...

Incumbent GOP Sen. Bill Cassidy, who had occasionally broken with the Trump administration, lost his bid for a third term.

Sen. Cassidy accuses Rep. Letlow of a Nancy Pelosi approach to stock trades ahead of Louisiana's Saturday Republican primary ...

Rep. Julia Letlow will compete in a Republican Senate primary runoff in Louisiana, NBC News projects.

The senator lost his primary in Louisiana Saturday night, five years after voting to convict Trump on impeachment charges ...

Republican Sen. Bill Cassidy of Louisiana is fighting for his political life in Saturday's primary against a challenger who ...

Sen. Bill Cassidy’s (R-La.) primary loss is a massive warning sign for any Republicans who’ve provoked the president’s wrath ...