In the course of a few weeks, President Donald Trump has faced a surprising level of pushback from prominent supporters on issues such as Iran and the Epstein files. Even in that environment, conservative commentator Tucker Carlson, regarded as a MAGA standard-bearer, stood out.

Carlson's frustrations represent broader discontent in MAGA world with the policies of the man who brought it together. It’s a key moment for the movement, which for the past decade has been largely in lockstep, testing whether it’s willing to truly break with Trump and whether anyone besides Trump can shape its direction.