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Is Trump Losing GOP Support for War in Iran?

The cracks are beginning to show.

James Fite
James Fite
Sep 25, 2026
Is Trump Losing GOP Support for War in Iran?

(Photo by Tasos Katopodis/Getty Images)

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The Senate narrowly rejected a war powers resolution on Thursday, September 24, to end all military action in Iran. Four Republicans crossed the aisle to vote with Democrats for the resolution. An equal number of GOP representatives in the House did the same in July, and seven did as well on another war powers resolution earlier this month. Despite both passing the House, this first, at least, died in the Senate – but it was close.

From Iran to Congress: Trump Fights on Two Fronts

The resolution almost squeaked by in the Senate on Thursday, coming in at 49-50. Three of the four who defected, if you will, were the usual suspects: Sens. Susan Collins (R-ME), Lisa Murkowski (R-AK), and Rand Paul (R-KY) – though Thom Tillis (R-NC) seems to be starting to make a habit of breaking with Trump as well since he announced his plans to retire.

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Now, those four specifically have a history of opposing President Trump’s policies and legislative agendas. But an even greater number of Republicans crossed the aisle in the House vote earlier this month. Seven sided with Democrats, and another eight didn’t vote at all. That’s 15 Republicans in the House who didn’t support Trump’s war and four in the Senate.

Further illustrating the divide, one of those who voted against Trump in the House – Rep. Thomas Massie (R-KY) – introduced articles of impeachment against Secretary of War Pete Hegseth for continuing operations in Iran. Again, like the four senators, Massie is a longtime thorn in Trump’s side, but for a Cabinet member to face an impeachment effort launched by his own party is a rare level of escalation. Of course, Speaker of the House Mike Johnson (R-LA) dealt with the articles of impeachment by adjourning the House early for the midterm break. That, however, only kicks the can down the road past the election, because it’ll have to be dealt with once they return.

The Court of Public Opinion

Midterm elections are a concern, naturally. The fighting was supposed to be over quickly; instead, it’s gone on more than half a year with no end in sight. Fuel prices are elevated – higher than they’ve been since the Biden-era highs. Arguing publicly over war powers resolutions and articles of impeachment may not be good for the GOP midterm efforts, but neither is the pain at the pump that seemingly can be tied directly to the Trump administration’s operations in Iran.

YouGov reported on September 22 that about half of Americans think the war in Iran will last at least another year, according to their latest poll. Slightly more said that, in hindsight, going to war in Iran was the wrong decision.

A CNN and SSRS poll released on the same day showed that almost two-thirds think the US is not winning the war. Three-quarters also said Trump doesn’t have a clear plan for handling the war, and nearly the same percentage said he isn’t doing enough to end it.

President Trump isn’t worried about the election. “The Republican Party is running, and I’ll be helping them, but I am not running,” he told reporters earlier this week. “I gave absolutely no credence and will not give credence to the election when it comes to Iran. It doesn’t even enter my mind. The only thing that does is that Iran will never have a nuclear weapon.”

It may not have entered his mind, but the same clearly is not true for at least some of his Republican colleagues in Congress. And the same may go for many of the voters who elected him twice.

4 Questions

The story, in brief

1How close was the Senate vote on ending military action in Iran?

The Senate rejected the war powers resolution by a single vote, 49-50, on Thursday, September 24. Four Republicans voted with Democrats, making the outcome notably close even though the resolution failed. The vote highlighted visible Republican defections over President Trump's Iran policy.

2Which Republicans broke with Trump on the Iran war powers resolution?

In the Senate, Susan Collins, Lisa Murkowski, Rand Paul, and Thom Tillis voted with Democrats on the resolution. In the House earlier this month, seven Republicans sided with Democrats, and eight more did not vote at all. One of the House Republicans opposing the policy was Thomas Massie.

3Why are some Republicans uneasy about Trump's war in Iran?

The war has lasted more than half a year with no end in sight, even though it was expected to end quickly. Fuel prices are high, and the dispute over war powers and impeachment is adding to political strain before the midterms. Polling also shows many Americans think the war was a mistake and believe the United States is not winning.

4What happens next with the impeachment effort over Iran operations?

Representative Thomas Massie introduced articles of impeachment against Secretary of War Pete Hegseth over continued operations in Iran. Speaker Mike Johnson responded by adjourning the House early for the midterm break. That delays action for now, but the matter will have to be addressed when the House returns after the election.

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About the Author

James Fite

James Fite

Editor-at-Large

James is our wordsmith extraordinaire, a legislation hound and lover of all things self-reliant and free. An author of politics and what often sounds like fiction at LibertyNation.com he homesteads in the Arkansas wilderness.
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