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◆ Mixed look for CassidyForeign PolicyCongress / Members

Senate advances bill aimed at ending Iran War

Cassidy broke with the administration’s position and supported the measure for the first time.

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 war-powers measure aimed at forcing President Donald Trump to withdraw from the Iran war. Senator Bill Cassidy backed it for the first time, joining Republicans who broke with Trump.

Community verdict

32 VOTES
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Bill Cassidy R · LA · SEN
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Bill Cassidy
R · LA · SEN

Louisiana senator who voted to advance the war-powers measure

PRIMARY SUBJECT
Donald Trump
R · President of the United States

President whose Iran military campaign the Senate measure seeks to constrain

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

Connecticut senator who criticized the costs of the stalled conflict

Susan M. Collins
R · ME · SEN

Maine senator who voted for the war-powers measure

Todd Young
R · IN · SEN

Indiana senator mentioned for an earlier vote concerning Venezuela

Lisa Murkowski
R · AK · SEN

Alaska senator who voted for the war-powers 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 said more Republicans want a long-term plan

Chuck Schumer
D · NY · SEN

Senate Democratic leader who said Democrats would continue pressing the issue

Josh Hawley
R · MO · SEN

Missouri senator mentioned for an earlier vote concerning Venezuela

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 war-powers measure

Part of a bigger story

31 OUTLETS
Senate Advances Iran War Powers Resolution With Cassidy’s Support

The Senate advanced an Iran war-powers resolution in a 50-47 vote, with Bill Cassidy voting to move it forward. Left-leaning outlets frame Cassidy’s vote as a post-primary break with Trump and raise questions about its timing. Center outlets mainly explain the resolution, Cassidy’s support, lawmakers’ differing views and the measure’s uncertain prospects. Right-leaning outlets also connect the vote to Cassidy’s primary loss but describe it as a reversal or defection.

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