That the breakup was as swift and as acrimonious as it was reflected the personalities of two combative alpha males.

In particular, Trump’s and Musk’s differing views on climate change and clean energy have evidently become an irritant again.

Elon Musk, the world’s richest man, may have made himself an enemy of the world’s most powerful leader. The public blowout between Musk and President Trump is threatening the tech billionaire’s ...