Elon Musk leaped into the political spotlight when he jumped around the stage during a campaign rally for then-Republican presidential nominee Donald Trump this past October, leading Trump to reportedly question what was "wrong" with the billionaire, according to journalist Michael Wolff's new book, All or Nothing.

The massive underground facility, which has been used to store archives since the 1960s, remains a crucial but convoluted hub for US government records.

Some civil servants are using whatever levers they have to resist the orders of the world’s richest man, both in public and behind closed doors.