Trump and Musk want to run a giant experiment on the federal bureaucracy. Two big unknowns already loom over it.

Ron Baron, Baron Capital chairman and CEO, joins CNBC's 'Squawk Box' to discuss Tesla, market outlooks, and much more.

Donald Trump tapped the tech mogul to co-lead an effort to slash government spending, but questions abound over how such an ...

Billionaire Elon Musk and Robert F. Kennedy Jr. sided with investor Howard Lutnick on Saturday in the debate over who ...

Elon Musk, the less-than-clear-speaking billionaire on his way to Washington as the co-head of President-elect Donald Trump's ...

A U.S. official says Iran obtained a meeting with Elon Musk in a step that appeared aimed at easing tensions with ...

Donald Trump is pushing Senate Republicans to give him more power to fill offices without Senate approval via recess ...

After his 2016 election, Trump tapped Wall Street raider Carl Icahn as a "regulatory reform" adviser. He soon quit under a ...

Musk has spent days bounding in and out of meetings, sitting in on phone calls, weighing resumes and traveling to Washington ...

Musk has long complained about federal agencies — particularly those that have investigated and fined his companies.

Musk spent millions to help Trump get elected and was one of his most vocal supporters. But he could butt heads with Trump ...