The one thing missing from Trump's Iran war that doomed every unpopular war before it

By Charles Walldorf, Professor of Politics and International Affairs, Wake Forest University.

It’s clear that regime change is among the biggest objectives of the U.S. war in Iran.

“I have to be involved in the appointment” of Iran’s next leader, President Donald Trump said on March 5, 2026.

Trump has also said he might put U.S. boots on the ground to get the job done.

Trump now joins a long list of modern U.S. presidents – from Franklin Roosevelt to Harry Truman, Lyndon Johnson, George W.