What’s Driving Former Progressives to the Right?

In a new essay in the progressive magazine In These Times, the writers Kathryn Joyce and Jeff Sharlet grapple with the contemporary version of an old phenomenon: erstwhile leftists decamping to the right. There have been plenty of high-profile defectors from the left in recent years, among them the comedian Russell Brand, the environmentalist-turned-conspiracy-theorist Robert F. Kennedy Jr., and the journalist Matt Taibbi, a onetime scourge of Wall Street, who was recently one of the winners of a $100,000 prize from the ultraconservative Young America’s Foundation.

What gives this migration political significance, however, are...