Six months later, Musk is out. And a feud between Trump and the world's richest man is under way. Bannon has ...

(CBS News) - Steve Bannon on Friday called for the Trump administration to investigate Elon Musk, whose brewing feud with the president became public Thursday in a series of escalating tit-for-tat ...

It began with Musk complaining about the centerpiece of Trump’s legislative agenda, which the president at first took in ...