President Trump clashed with Louisiana Sen. Bill Cassidy in a heated shouting match at a closed-door Senate GOP lunch on Wednesday, June 24, 2026, over Cassidy’s vote for a war powers resolution that seeks to halt U.S. military action against Iran.
The Senate had passed the resolution 50-48 the day before, with four Republicans—including Cassidy—joining Democrats in a rare rebuke of Trump. When Trump asked aloud how anyone could have voted for the measure, Cassidy stood and responded directly, recounting the exchange to reporters afterward.
“I stood and said, ‘You have not told the American people what’s going on. This is supposed to last four weeks. It’s lasted four months. Our original objectives have not been achieved,” Cassidy said. When Trump pressed him further, Cassidy continued to defend his position, which prompted the president to raise his voice and call the senator a “lunatic,” according to multiple sources familiar with the private meeting.
Trump repeatedly told Cassidy to sit down during the exchange. Cassidy acknowledged losing his temper but said he matched Trump’s tone and volume before eventually sitting down to de-escalate. “I’m not going to be bullied when I’m trying to get information for the American people,” Cassidy said.
The war powers resolution, which passed the House earlier this month, directs Trump to withdraw U.S. forces from hostilities against Iran unless Congress explicitly authorizes continued military action. While the measure is largely symbolic and does not have the force of law, it marks the first time Congress has passed a war powers resolution—a historic moment that underscores growing Republican unease with the Iran conflict.
The clash between Trump and Cassidy reflects a long-festering feud rooted in the senator’s 2021 impeachment vote. Cassidy was one of seven Republican senators who voted to convict Trump on charges related to the January 6 Capitol attack. Last month, Trump effectively ended Cassidy’s political career by endorsing a rival in Louisiana’s Republican primary, and Cassidy lost his primary bid—the first incumbent senator in 14 years to lose a primary challenge.
During Wednesday’s meeting, Trump brought up Cassidy’s election defeat, describing it in derogatory terms. Cassidy said Trump used whatever language came to mind “as to demean another person.” But freed from facing Republican primary voters, Cassidy has taken a tougher stance on Trump’s policies, particularly regarding the Iran war and the need for congressional transparency.
“It does not appear, although I don’t know for sure, that the course of the Iran war is going the way that we were told,” Cassidy said. “I make no apologies for standing up to the president if you will, trying to demand that more information be shared with the Senate and more information be shared with the American people.”
Senate Majority Leader John Thune attempted to intervene and de-escalate the situation, and other senators tried to ease tensions. Some GOP colleagues downplayed the encounter after the meeting, with Sen. Roger Marshall of Kansas telling reporters, “Y’all act like no one ever yelled at each other.” Sen. Tommy Tuberville of Alabama described it as “halftime talk” that both men needed.
But the episode underscored broader Republican concerns about the durability of their thin Senate majorities heading into the 2026 elections, particularly amid the turmoil of the Iran war. It also highlighted the price of dissent within Trump’s party: senators who have broken with the president on key votes or past impeachment decisions face the prospect of Trump-backed primary challenges.
Sources
- ABC News — Trump and Cassidy’s shouting match at Senate GOP lunch, direct quotes from Cassidy describing the clash and his defense of the war powers vote
- AP News — Detailed account of the Capitol Hill meeting, Cassidy’s comments, background on his impeachment vote and primary loss
- Reuters — Senate war powers resolution vote count (50-48), confirmation of four Republican votes with Democrats
- The New York Times — War powers resolution passage and vote breakdown
- BBC — Confirmation that Congress passed a war powers measure for the first time
- NBC News — Cassidy’s May 2026 primary loss and context on Trump’s impeachment vote
