Louisiana Republican Sen. Bill Cassidy wanted his reelection campaign to be about the “present and the future.” President Donald Trump had other plans.

Former Sen. Mitt Romney calls Bill Cassidy's Louisiana Republican primary defeat a loss for the country as Trump revels in ...

Sen. Bill Cassidy, a Louisiana Republican, has lost his bid for a third term in a remarkable defeat, after two primary challengers — including one backed by President Donald Trump — finished ahead of ...

The Senate voted to advance a bill curbing President Donald Trump's Iran war powers with the surprise support of Sen. Bill Cassidy (R-LA). According to The Associated Press, "Since Trump ordered the ...

Sen. Lindsey Graham said Sunday on NBC that Sen. Bill Cassidy lost his Louisiana primary because he "tried to destroy" President Trump, declaring the GOP "the party of Donald Trump" after ...

Cassidy, a two-term Republican senator, voted to convict Donald Trump on impeachment charges after the Jan. 6, 2021, Capitol riot.

Sen. Bill Cassidy, who voted to convict Trump over Jan. 6 riots, loses Republican primary 04:30 Washington — Republican Sen. Bill Cassidy of Louisiana, who recently lost his primary after President ...

Sen. Lindsey Graham says Bill Cassidy's primary defeat shows there is no room in the Republican Party for lawmakers who try to undermine Donald Trump.

Sen. Bill Cassidy’s primary loss Saturday brings an end to a two-decade career in public office that was ultimately defined by tensions with President Donald Trump ...

A Senate Republican ousted by President Donald Trump took a veiled shot at the president and is poised to become a foil to his agenda during Cassidy's waning time in office. Trump may have vanquished ...

Caitlin Yilek is a politics reporter at CBSNews.com, based in Washington, D.C. She previously worked for the Washington Examiner and The Hill, and was a member of the 2022 Paul Miller Washington ...