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

President Donald Trump and Sen. Bill Cassidy had a heated exchange during a private lunch, with Trump reportedly calling Cassidy a 'lunatic' after the senator criticized the lack of public communication about Iran policy. Cassidy, who voted for a war powers resolution against Iran, argued that objectives had not been achieved, and Trump referenced Cassidy's recent primary election loss during the confrontation.