Iran war casts shadow over Trump's midterm push as oil prices surge

The Republican midterm convention in Dallas this week laid bare a central tension in Donald Trump's political gamble: the party is betting his name and presence can drive voters to the polls in November, even as the war he launched against Iran in late February continues to roil markets and divide the electorate.

Brent Crude, the global oil benchmark, climbed above $100 a barrel for the first time since July as Trump prepared to address the crowd on Wednesday. That price spike is no abstraction for American households. Gasoline at the pump, heating oil in winter, the cost of goods shipped across the country—all of it moves with those numbers. Yet the war itself remains deeply unpopular. A recent Reuters/Ipsos poll found that only one in four Americans believes the conflict is justified. Independents, a crucial voting bloc, express particular disapproval. And when pollsters ask voters what matters most as they head into the midterm elections, affordability consistently ranks at the top.

Trump's supporters at the convention were not uniformly comfortable with this reality. Carter Eisinger, a 27-year-old electrician from Fargo, North Dakota, traveled to Dallas believing in Trump's "America First" vision. But he found himself puzzled by the Iran war's place in that framework. "I don't really see the connection of how a war in Iran helps us here in the country," he said. He was willing to accept higher gas prices if the administration could make the case that the war served American interests. He had not yet heard that case made convincingly. His uncertainty about the close U.S.-Israel relationship reflected a broader question: if the goal is to help America first, how does a Middle Eastern conflict achieve that?

Others at the convention acknowledged the war as a strategic misstep even while defending its underlying logic. Bijay Dixit, a 59-year-old photographer from Houston, praised Trump's immigration stance and believed Republicans were better stewards of the economy. But he called the Iran campaign a "miscalculation"—not in principle, but in execution. The administration, he suggested, had underestimated the capacity of Iran's Islamic Revolutionary Guard Corps. Helen Vennett, a 65-year-old small business owner from Maryland and her county's Republican Party chairman, described the convention itself as a pep rally, a gathering meant to energize the base. She broadly supported the administration's rationale for the war but acknowledged the political difficulty: "It's a tough one."

Trump himself has sought to manage expectations about when the conflict might end. Speaking to reporters Wednesday as he headed to Dallas, he said the war would likely extend beyond the midterm elections. He accused Iran of deliberately prolonging the conflict to influence the vote, hoping to install what he called "a nice weak group of people" who would allow Iran to pursue nuclear weapons. Tehran has consistently denied seeking nuclear weapons, and military analysts generally agree that destroying Iran's nuclear program would require a major ground invasion—a far larger commitment than the current campaign. Trump predicted swift resolution after November's votes are cast. "They can't hold out any longer," he said.

John Russell, 55, from Rockford, Illinois, who regularly attends Trump rallies as part of the "Front Row Joe's" group, saw the convention as a tool to energize Republican voters and persuade independents to back Trump-endorsed candidates. He framed the war as a necessary cost. "It's been a small bump with the gas going up," he said. "But it had to be done. We can't allow Iran to have a nuclear bomb." He predicted the Republican bet would pay off at the polls.

The Trump administration has largely sidestepped the question of when the war ends, focusing instead on efforts to reopen shipping routes through the Strait of Hormuz, where Iran continues to exert control. The political calculation is clear: keep the base energized, hold the House and Senate, and deal with the war's resolution after the midterms. Whether voters will accept that timeline—or whether rising oil prices and economic anxiety will override party loyalty—remains the central question heading into November.