Elon Musk said the black eye he was sporting in his Oval Office goodbye May 30 came from "horsing around" with his 5-year-old son, X. "I said, 'Go ahead, punch me in the face.' And he did it ...

“Daily Show” host Jon Stewart doesn’t believe Elon Musk’s claim that the billionaire told his 5-year-old son to punch him in the face.