Why Trump's MAGA Base Could Turn on Him Over Iran: Anti-War or Anti-Betrayal?

On Saturday, President Donald Trump announced that the United States had begun "major combat operations" in Iran. The Pentagon calls the effort "Epic Fury." Trump paired the announcement with a sweeping aim: he urged Iranians to "take over your government" and told Iranian soldiers to stand down or face "certain death." He later praised the death of Supreme Leader Ayatollah Ali Khamenei as "the single greatest chance for the Iranian people to take back their Country." This account comes from a Newsweek perspective piece, which argues that the real political risk lies inside Trump's own movement.

The argument is that force combined with regime-change language is what MAGA has spent years condemning as a sin of the George W. Bush era. The piece says the question is not whether the base is pacifist. It is whether Trump has started the one kind of conflict that leaves supporters feeling cheated: a Middle East intervention bigger than advertised, messier than promised, and unlike "America First."

Some of the first objections came from Republicans. Representative Thomas Massie of Kentucky wrote on X, "I am opposed to this War. This is not 'America First.'" Tucker Carlson told ABC's Jonathan Karl the attack was "absolutely disgusting and evil." Senator Rand Paul invoked James Madison and the Constitution's assignment of war powers to Congress, writing that although he wishes American soldiers safety, his oath compels him to oppose "another Presidential war." Representative Warren Davidson of Ohio, asked on X whether he supported the strikes, answered, "No. War requires Congressional authorization."

The polling is mixed. In a February 23 Economist/YouGov survey, 56 percent of Trump voters backed using military force against Iran, as did 72 percent of self-identified MAGA supporters. The author reads that as a movement that likes shows of strength against declared enemies. But the public overall leaned against: 49 percent opposed and 27 percent supported. An earlier February University of Maryland/SSRS poll found only 21 percent favoring a U.S.-initiated attack, with 49 percent opposed. Among Republicans, 40 percent were in favor, 25 percent opposed, and 35 percent unsure. The piece concludes that Trump can probably sell a strike, and that the danger lies in what follows it.

There is also the matter of Trump's own promises. In his January 2025 inaugural address he said, "Our power will stop all wars." In this week's State of the Union he said he had ended eight wars in his first ten months, naming Cambodia/Thailand, Pakistan/India, Kosovo/Serbia, Israel/Iran, Egypt/Ethiopia, Armenia/Azerbaijan, Congo/Rwanda, and Gaza, which he said was at a very low level. He called Ukraine the ninth war, one he is working hard to end, and said June 2025's Operation Midnight Hammer had "obliterated Iran's nuclear weapons program." Four days later he announced major combat operations to keep Iran from getting a nuclear weapon and to urge regime change.

The piece notes that the movement has been rehearsing this argument. During the June 2025 Iran crisis, Steve Bannon warned, "We can't have another Iraq." Marjorie Taylor Greene, then still a Trump loyalist, said anyone eager for full U.S. involvement was "not America First/MAGA." She has since said she doesn't know anyone in her district who even thinks about Iran. Charlie Kirk, the Turning Point USA co-founder assassinated in September, criticized Senator Lindsey Graham on June 17, 2025, after Graham called for the ayatollah to be replaced. Kirk called that "pathologically insane" and wondered whether the ayatollah might be one of the few men able to keep the country from a 90-million-person civil war.

The author says none of this proves the base will abandon Trump, only that MAGA already has the language to accuse leaders of betrayal. Trump has long said he opposed the 2003 Iraq invasion, which was part of his first campaign pitch. The piece proposes three tests: Is it quick? Is it in America's interest, given that a fifth of global oil and petroleum flows through the Strait of Hormuz and higher gas prices are unlikely to be forgiven? And is Trump still Trump? In June 2025 he said his supporters were "more in love with me today," while conceding some were "a little bit unhappy."

What to watch is whether the conflict stays short, whether Hormuz flows are disrupted, and whether the discontent already voiced by Massie, Paul, Carlson and others spreads.