The Iran war has reshaped the rapidly approaching midterm elections, undermining Trump’s campaign pledge to steer clear of foreign conflicts and challenging Republicans who would rather focus on their tax cuts as they cling to narrow majorities in Congress.

While the president’s supporters are undeterred, the war’s unpopularity and economic ripple effects could tilt the scales in tightly contested U.S. House districts like the one in Bethlehem, where Republican Rep. Ryan Mackenzie is one of this year’s most vulnerable incumbents.

Midterm elections are always difficult for the party in power in Washington. But interviews with voters around the country show how a war that Trump expected to end with a swift victory could undermine the final years of his presidency.

Many U.S. adults say the war has not been worth fighting

About two-thirds of U.S. adults say the war with Iran has not been worth fighting, according to a July poll from The Associated Press-NORC Center for Public Affairs Research. That includes the vast majority of Democrats and independents, as well as more than one-third of Republicans.

Although Trump has long criticized Iran’s leadership, he did little to prepare Americans or allies for such a lengthy conflict. Republican President George W. Bush, for instance, spent more than a year making a case for launching a war in Iraq through speeches and attempts to build an international coalition. Trump did none of that.

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https://www.latimes.com/world-nation/story/2026-08-27/republicans-face-midterm-verdict-as-iran-war-drags-on-months-longer-than-trump-promised