The shouting was loud enough to leak through closed doors. President Trump and Sen. Bill Cassidy (R-La.) traded raised voices at a Republican Senate lunch Wednesday over the administration's handling of the Iran war — hours before the chamber voted 47-50-1 to reject a second rebuke of Trump's war powers. "I make no apologies for standing up to the president," Cassidy told reporters afterward, a sentiment that captured the deepest GOP rupture of Trump's second...