Senate Republicans block Democratic effort to end US war with Iran

On Thursday, the US Senate narrowly rejected a Democratic-led resolution aimed at compelling President Donald Trump to cease the war in Iran or seek congressional authorization. Democrats employed the vote to position Republicans unfavorably ahead of the November midterm elections, as polls indicate Trump's Republican base is grappling to maintain its narrow congressional majority amidst the costly conflict.

The Senate vote, 50-49 against the resolution, largely followed party lines. Four Republicans – Susan Collins, Rand Paul, Thom Tillis, and Lisa Murkowski – voted in favor of the resolution. Tillis, who is departing the Senate in January, became the sole Republican to back a war powers resolution for the first time. Most Republicans aligned with Trump, including Jon Husted, Dan Sullivan, Roger Marshall, Pete Ricketts, and Darline Graham.

One Democrat, John Fetterman, voted against the resolution, which passed the House of Representatives in July. The vote was largely symbolic, as the Trump administration has not altered policy in response to prior war powers votes. Thursday's vote occurred two days after Trump pledged to "annihilate the Islamic Republic" in a UN address.

Democrats view the votes as an opportunity to hold Republicans accountable for their stance on a conflict that has garnered increasing public disapproval, with a Reuters/Ipsos poll revealing that only 34% of respondents approved of the strikes on Iran. The Senate has deliberated on Iran war powers resolutions 14 times, approving only twice, since the US and Israeli forces initiated bombings on Iran on February 28.

The House has conducted six votes, with three supporting the end of the conflict. Only one resolution has been successful in both chambers, and the White House disregarded the outcome. The US Constitution vests war-declaration authority in Congress, not the President, and Democrats argue that Trump's failure to outline a clear strategy may have propelled the nation into a protracted conflict. Republicans contend that Trump's actions are within his Commander-in-Chief prerogatives.