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Senate Revolt Over Iran War: Trump Rebuked as Republicans Join Bid to Halt Military Action in Iran to End War

Cassidy joined Democrats in supporting a Senate measure to limit military action in Iran without congressional approval.

Senate Revolt Over Iran War: Trump Rebuked as Republicans Join Bid to Halt Military Action in Iran to End War
Image · International Business Times UK

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Outlet credibilityInternational Business Times UK58/100 MEDIUM
This article1 analysis · Oct 6, 2026
tl;dr

Four Republican senators joined Democrats in a 50-47 procedural vote to advance Tim Kaine’s resolution limiting military action in Iran without congressional approval. The measure still faces further Senate and House hurdles, as well as a likely presidential veto.

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

Senator who voted to advance the Iran war powers resolution

PRIMARY SUBJECT
Donald Trump
R · President of the United States

President whose Iran military actions face a Senate challenge

Trump's version of this story ↗
Susan M. Collins
R · ME · SEN

Senator who supported advancing the resolution

Lisa Murkowski
R · AK · SEN

Senator who supported advancing the resolution

John Fetterman
D · PA · SEN

Senator who opposed the resolution

Chuck Schumer
D · NY · SEN

Senate Minority Leader who commented on the vote

Tim Kaine
D · VA · SEN

Senator who introduced the war powers resolution

Rand Paul
R · KY · SEN

Senator who supported advancing the resolution

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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