Senate advances Iran war powers resolution as beaten GOP Sen. Bill Cassidy changes vote to defy Trump
The Senate has advanced a resolution that would require President Trump to cease military actions against Iran without congressional approval. This decision saw four Republican senators break ranks with the White House, including Bill Cassidy, who recently lost a primary election. The resolution was pushed by Senator Tim Kaine and passed with a vote of 50-47.
- ▪The Senate advanced a war powers resolution aimed at limiting President Trump's military actions against Iran.
- ▪Four Republican senators, including Bill Cassidy, voted in favor of the resolution despite pressure from the White House.
- ▪This marks the eighth attempt by the Senate to stop military actions in Iran since Operation Epic Fury began.
Opening excerpt (first ~120 words) tap to expand
Politics Senate advances Iran war powers resolution as beaten GOP Sen. Bill Cassidy changes vote to defy Trump By Samuel Chamberlain Published May 20, 2026, 6:39 a.m. ET See more of our coverage in your search results. Add The New York Post on Google The Senate advanced a measure Tuesday that would force President Trump to end military action against Iran without congressional approval, as four Republicans broke with the White House. Sen. Bill Cassidy (R-La.), three days removed from a humiliating primary defeat that dashed his hopes for a third term, joined Susan Collins of Maine, Lisa Murkowski of Alaska, and Rand Paul of Kentucky in advancing the so-called war powers resolution pushed by Sen.
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