Musk, the richest man in the world with a net worth of $242 billion, according to Forbes, has pledged to give away $1 million a day to voters for signing his political action committee's petition backing the Constitution, a pledge experts say raises legal questions.

Elon Musk has made himself into an influential factor in Donald Trump's reelection campaign, but his ascension hasn't always been smooth.

S ummoning a giant flaming rocket safely home from the edge of space is pretty cool, but Elon Musk’s success in yanking the infamously inertial American car industry in a new direction still ranks among his most impressive achievements.