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Senate advances bill aimed at ending Iran War

The measure seeks to compel Trump to withdraw from the Iran conflict, which he launched 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 advanced a war powers measure by a 50-47 vote, with Bill Cassidy joining Republicans who backed efforts to constrain President Donald Trump’s Iran war. The vote reflects growing Republican unease, though the measure may not advance further.

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 Iran war the measure seeks to end

PRIMARY SUBJECT
Bill Cassidy
R · LA · SEN

Senator who joined Republicans backing the war powers measure

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

Connecticut senator who criticized the war’s impact on prices

Susan M. Collins
R · ME · SEN

Maine senator who voted for the measure

Todd Young
R · IN · SEN

Indiana senator who changed his vote on an earlier Venezuela 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 Trump’s decision to go to war but wants a long-term plan

Chuck Schumer
D · NY · SEN

Senate Democratic leader who urged continued efforts to constrain Trump

Josh Hawley
R · MO · SEN

Missouri senator who changed his vote on an earlier Venezuela resolution

Marco Rubio
Secretary of State

Secretary of State who agreed to a public hearing on 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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