Sen. Bill Cassidy’s (R-LA) reelection effort is under mounting pressure as Louisiana’s Republican Senate primary enters its final weeks, with the incumbent lashing out at GOP allies and facing the possibility of missing the runoff altogether in an increasingly volatile three-way race. Just five weeks before Louisiana Republicans vote on May 16, Cassidy finds himself squeezed between Trump-endorsed Rep. Julia Letlow and Louisiana Treasurer John Fleming, the former congressman and founding member of the House Freedom Caucus…. …. In February 2021, Cassidy voted to convict Trump during the president’s second impeachment trial. He later said, “I voted to convict President...