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The Guardian - US
The Guardian - US
World
Dara Kerr

US Senate votes down resolution to restrict Trump from escalating Iran war

Man in suit
Democrat Tim Kaine, who introduced the resolution, on Capitol Hill in Washington DC on 19 May 2025. Photograph: Nathan Howard/Reuters

Senate Democrats failed on Friday to get a war-powers resolution passed to limit Donald Trump’s ability to single-handedly escalate the war with Iran. The resolution, “to direct the removal of United States Armed Forces from hostilities against the Islamic Republic of Iran”, was voted down 53-47.

The vote on the resolution, introduced by the Democratic senator Tim Kaine of Virginia, split along mainly partisan lines. One Republican, Rand Paul of Kentucky, voted for it; one Democrat, John Fetterman of Pennsylvania, voted against it.

“Congress declares war,” Kaine said in a speech on the Senate floor. He stressed that the framers of the US constitution in 1787 were so wary of giving the power to start wars to one person that they did not even entrust it to George Washington, the first commander-in-chief.

“They decided that war was too big a decision for one person,” Kaine said. “And so they wrote a constitution that said the United States should not be at war without a vote of Congress.”

The measure would have compelled Trump to seek authorization from Congress before taking any further military action.

Trump ordered airstrikes on Iran’s nuclear facilities on 22 June. This directly followed Israel launching attacks on Iran, and Iran retaliating. Trump said that the US bombardment “totally obliterated” key nuclear enrichment facilities and deemed the mission a success, although some initial reports said the damage was minimal. Iran condemned the attacks.

Trump claimed on Friday that Iran had halted its nuclear ambitions after the bombings. But, he said, he would “absolutely” continue to attack the country’s nuclear sites if he believed it was once again enriching uranium.

“Time will tell,” Trump said at the White House. “But I don’t believe that they’re going to go back into nuclear anytime soon.”

Later on Friday, Iran’s foreign minister, Abbas Araghchi, rebuked Trump on social media. “If President Trump is genuine about wanting a deal, he should put aside the disrespectful and unacceptable tone towards Iran’s Supreme Leader, Grand Ayatollah Khamenei, and stop hurting his millions of heartfelt followers”, Araghchi wrote on X.

“The Great and Powerful Iranian People, who showed the world that the Israeli regime had NO CHOICE but to RUN to ‘Daddy’ to avoid being flattened by our Missiles, do not take kindly to Threats and Insults”, Iran’s top diplomat added, in something approximating Trump’s own social media style. “If Illusions lead to worse mistakes, Iran will not hesitate to unveil its Real Capabilities, which will certainly END any Delusion about the Power of Iran.”

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