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Senate advances bill aimed at ending Iran War

The Senate vote challenged Trump's conduct of the Iran war and his authority to continue it without congressional approval.

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 voted 50-47 to advance a measure seeking to force President Donald Trump to withdraw from the Iran war or obtain congressional approval. Senator Bill Cassidy joined Republicans who supported the measure, breaking with the president after previously voting against similar resolutions.

Community verdict

27 VOTES
How does this story look for
Donald Trump R · President of the United States
● OPEN

People in this story

SWIPE →
Donald Trump
R · President of the United States

President whose Iran war and conduct the measure seeks to constrain

PRIMARY SUBJECT
Bill Cassidy
R · LA · SEN

Louisiana senator who joined Republicans supporting the war powers measure

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

Connecticut senator who criticized the war's effects in a floor speech

Susan M. Collins
R · ME · SEN

Maine senator who voted for the measure

Todd Young
R · IN · SEN

Indiana senator who later changed his position on an earlier resolution

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 the decision to go to war but called for more planning

Chuck Schumer
D · NY · SEN

Senate Democratic leader who said Democrats would keep pressing the issue

Josh Hawley
R · MO · SEN

Missouri senator who later changed his position on an earlier resolution

Marco Rubio
Secretary of State

Secretary of State who agreed to a public hearing on the 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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