The billionaire Tesla owner called the program “the biggest Ponzi scheme of all time” in an interview last month.

Some of President Trump’s allies in Congress and on Wall Street are pressing the White House to scale back Elon Musk’s media appearances after he drew criticism for comments about downsizing Social Security,

The billionaire, now a White House official and no longer a private citizen, is spending millions of dollars to elect a conservative judge, and making himself a main character in the race.

Billionaire Elon Musk took his campaign to cut the U.S. federal government into uncharted waters on Friday, holding an unprecedented top-level meeting at the Pentagon and calling for the prosecution of any Defense Department officials leaking false information about his visit.

Just after the protest started, a man drove his SUV into the crowd, claiming his brakes had failed. Police said he will be charged with assault.