Smoke rises after an airstrike on Tehran, Iran, on March 3, 2026. Atta Kenare/AFP via Getty Images
A measure that would block the president’s ability to wage war against Iran without congressional approval failed to advance in the Senate on March 4, a victory for the Trump administration.
The procedural vote over the war powers resolution, which was introduced by Sen. Tim Kaine (D-Va.), was 47 to 53. Sen. Rand Paul (R-Ky.), a bill cosponsor, was the lone Republican to support the measure. Sen. John Fetterman (D-Pa.) broke with his party in voting against the resolution.
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