Trump’s showdown with Republican Sen. Cassidy: Inside the blow-up on Capitol Hill

President Donald Trump and Republican Sen. Bill Cassidy had a heated exchange during a private lunch, with Trump criticizing Cassidy's support for a war powers resolution blocking U.S. military action against Iran. Trump allegedly called Cassidy a 'lunatic,' while Cassidy accused Trump of failing to communicate with the public about Iran developments. The confrontation reflects ongoing tensions between Trump and Republicans uneasy about his Iran policies and past political conflicts.