Billionaires are feeling the burn amid the fallout from Trump’s tariff announcement—with the stock market crash resulting in names like Warren Buffett, Larry Ellison, and Mark Zuckerberg all losing billions in wealth in just hours.

A pair of Donald Trump's top advisers are at odds. Elon Musk called Peter Navarro a "moron" and "dumber than a sack of bricks."

While far from the only Republican defector from President Trump's tariff regimen, Elon Musk is among the most prominent. Here are a few others on Team Trump who have their doubts.