Back in 2009, I wrote a piece for Newsweek arguing that Republicans would regret conceding so much power to Rush Limbaugh. Until that point, I’d been a frequent guest on Fox News, but thenceforward some kind of fatwa was laid down upon me. Over the next few months, I’d occasionally receive morning calls from young TV bookers asking if I was available to appear that day. For sport, I’d always answer, “I’m available—but does your senior producer know you’ve called me?” An hour later, I’d receive an embarrassed second call: “We’ve decided to go in a different direction.