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◆ Mixed look for CassidyForeign PolicyCongress / Members

Senate advances resolution aimed at blocking further strikes on Iran without Congressional approval

Cassidy joined Republicans backing the resolution for the first time, saying Congress needed more information about the Iran operation.

Senate advances resolution aimed at blocking further strikes on Iran without Congressional approval
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May 19, 2026
tl;dr

The Senate advanced a war-powers resolution by a 50-47 vote, with Louisiana Sen. Bill Cassidy supporting it for the first time. The vote highlighted growing Republican unease with President Donald Trump’s Iran war, though the measure may not advance further.

Community verdict

37 VOTES
How does this story look for
Bill Cassidy R · LA · SEN
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Bill Cassidy
R · LA · SEN

Louisiana senator who supported the war-powers resolution

PRIMARY SUBJECT
Donald Trump
R · President of the United States

President whose Iran military actions the resolution seeks to constrain

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

Connecticut senator who criticized the economic effects of the war

Susan M. Collins
R · ME · SEN

Maine senator who supported the resolution

Todd Young
R · IN · SEN

Indiana senator mentioned for his earlier vote on a Venezuela war-powers resolution

Lisa Murkowski
R · AK · SEN

Alaska senator who supported the resolution

John Fetterman
D · PA · SEN

Pennsylvania senator who voted against the resolution

Mike Rounds
R · SD · SEN

South Dakota senator who supports the decision to go to war but wants more discussion

Chuck Schumer
D · NY · SEN

Senate Democratic leader who commented after the vote

Josh Hawley
R · MO · SEN

Missouri senator mentioned for his earlier vote on a Venezuela war-powers resolution

Marco Rubio
Secretary of State

Secretary of State who agreed to a public hearing about Venezuela

John Cornyn
R · TX · SEN

Texas senator whose primary opponent received Trump’s endorsement

Rand Paul
R · KY · SEN

Kentucky senator who supported 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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