Peter Thiel, the billionaire venture capitalist and PayPal co-founder, has a provocative theory about how the Antichrist could take over the Earth and enslave humanity. "My speculative thesis is that if the Antichrist were to come to power it would be by talking about Armageddon all the time," Thiel told Hoover Institution interviewer Peter Robinson earlier this year. The greatest danger we face, according to Thiel, might not be from global warming, terrorism, nuclear winter, or artificial intelligence going rogue. The real danger is that we're so afraid of these threats that we're willing to give up our freedom in...