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Senate advances bill aimed at ending Iran War

The measure sought to require Trump to obtain congressional approval or withdraw U.S. troops from the Iran war.

Senate advances bill aimed at ending Iran War
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This article1 analysis · Oct 6, 2026

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May 19, 2026
tl;dr

The Senate advanced an Iran war powers measure in a 50-47 vote, with Sen. Bill Cassidy joining supporters for the first time. The vote signals growing Republican unease with President Donald Trump’s conduct of the war, though the measure’s prospects remain uncertain.

Community verdict

32 VOTES
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Donald Trump R · President of the United States
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People in this story

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Donald Trump
R · President of the United States

President whose conduct of the Iran war the measure seeks to constrain

PRIMARY SUBJECT
Bill Cassidy
R · LA · SEN

Louisiana senator who supported the Iran war powers measure

Cassidy's version of this story ↗
Christopher Murphy
D · CT · SEN

Connecticut senator who spoke about rising prices and the stalled negotiations

Susan M. Collins
R · ME · SEN

Maine senator who voted for the measure

Todd Young
R · IN · SEN

Indiana senator who later changed position on a Venezuela war powers measure

Lisa Murkowski
R · AK · SEN

Alaska senator who voted for the measure

John Fetterman
D · PA · SEN

Pennsylvania senator who voted against the measure

Mike Rounds
R · SD · SEN

South Dakota senator who supports Trump’s decision to go to war but wants a long-term plan

Chuck Schumer
D · NY · SEN

Senate Democratic leader who supported continued efforts to check Trump

Josh Hawley
R · MO · SEN

Missouri senator who later changed position on a Venezuela war powers measure

Marco Rubio
Secretary of State

Secretary of State who agreed to a public hearing on the administration’s Venezuela strategy

John Cornyn
R · TX · SEN

Texas senator whose primary opponent Trump endorsed

Rand Paul
R · KY · SEN

Kentucky senator who voted for the measure

Part of a bigger story

15 OUTLETS
Senate Advances Iran War Powers Measure Requiring Approval or Troop Withdrawal

The Senate advanced a war-powers measure seeking to require President Donald Trump to withdraw U.S. forces from Iran or obtain congressional approval, challenging his continued military campaign. Center outlets largely present the vote as a congressional challenge to Trump’s Iran war, highlighting Sen. Bill Cassidy’s support and signs of Republican unease; some also note uncertainty about the measure’s path.

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