As the Department of Government Efficiency leader steps away from the White House, Elon Musk talks with "Sunday Morning" about why he believes Trump's proposed budget clashes with his team's efforts to slash the functions of government.

As Elon Musk departs Washington, his mood resembles his Cybertruck: ugly and adolescent.

Mr. Musk’s drug consumption went well beyond occasional use. He told people he was taking so much ketamine, a powerful anesthetic, that it was affecting his bladder, a known effect of chronic use.