The escalating war of words this week between President Donald Trump and tech mogul Elon Musk marked the most contentious chapter in a yearslong and at-times rocky relationship between two of the most influential figures in business and politics.

But Mr. Trump’s warnings to his former ally are backed by several ways the White House could punish the world’s richest man.

Donald Trump Says 'Won’t Speak To' Elon Musk, Alleges He's 'Lost His Mind' | USA News A major fallout has erupted between former US President Donald Trump and tech billionaire Elon Musk. Trump, in recent remarks,

Isaacman is a friend of Musk, and his online payment company, Shift 4, has financial ties to SpaceX. On Thursday, Trump suggested he didn't think the relationship "was appropriate." He noted that ...

Allies of the two men expressed hope that they would make peace, or at least ease the tensions that broke out Thursday.

The back-and-forth attacks reverberated across a capital they have both reshaped Even by the standards of President Donald Trump and billionaire Elon Musk's relationship -- an unprecedented ...

"I don't know why," Trump now says of the shift in energy Meredith Kile ... Kevin Dietsch/Getty While Donald Trump's working relationship with Elon Musk seems to have soured in recent weeks ...