A Democratic resolution meant to limit President Trump’s war authority in Iran was defeated in the Senate on Thursday — but it didn’t fail unanimously along party lines.
Who broke from the party?
Four Republican senators voted with Democrats in favor of the resolution:
- Susan Collins
- Lisa Murkowski
- Rand Paul
- Thom Tillis (a new addition to this group)
The rest of the Senate Republican conference held firm with Trump, and the resolution was defeated.
Why it still failed
Even with four Republican votes, the resolution lacked a veto-proof majority in the Senate, and it would have faced a presidential veto regardless. So the four crossover votes weren’t enough to change the outcome.
The broader split this reflects
The Senate vote comes as some Republicans facing competitive midterm races — including Minnesota gubernatorial nominee Lisa Demuth, Michigan’s Mike Rogers, and Iowa’s Ashley Hinson — have separately called for the war to end on the campaign trail, pointing to rising gas, diesel, and fertilizer prices as a factor. Thune has acknowledged that voter frustration over fuel prices tied to the conflict is real.
⚠️ Note: this reflects Thursday’s vote as reported. Check for any follow-up Senate action if you’re tracking a specific senator’s position going forward.

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