Steve Bannon is out and Elon Musk is in. A man who once had an office and a whiteboard in the White House now has a podcast. It’s not nothing, but it’s not an extra-governmental agency that has access to the backend systems that make America run and hum. Banon was once the darling of right-wing media and the world’s preeminent Trump whisperer. Now he’s “Sloppy Steve,” Musk is sitting next to Trump during interviews, and Bannon says he’s ready for war. And while Bannon whines, Musk is opening the door to the Big Tech takeover of the United States....