Chicago – May 21, 2026
The US Senate advanced a war-powers resolution on Tuesday that would end the Iran war unless President Donald Trump obtains Congress’ authorisation, a rare rebuke of the Republican leader 80 days after US and Israeli forces began striking Iran.
The vote on a procedural measure to advance the resolution was 50 to 47, as four of Trump’s fellow Republicans voted with every Democrat but one in favour. Three Republicans missed the vote.
The result was a victory for lawmakers who have been arguing that Congress, not the president, should have the power to send troops to war, as spelled out in the Constitution. However, it was only a procedural vote, and the resolution faces steep hurdles before going into effect.
Even if it eventually passes the 100-member Senate, the resolution must also pass the Republican-led House of Representatives and garner two-thirds majorities in both the House and Senate to survive an expected Trump veto.
