For the fifth time, a Republican-controlled House has voted to compel President Trump to either cease military operations against Iran or return to Congress for formal authorization — a constitutional reckoning that is as much about the soul of a party as it is about the laws of war. The war powers debate is among the oldest tensions in American governance, a contest between executive urgency and legislative deliberation that the framers left deliberately unresolved. What is unusual here is not the conflict itself, but its source: the challenge is rising from within Trump's own party, shaped b