What a bizarre spectacle. Assuming he did not lie during his marathon news conference last week, the feeding frenzy surrounding New Jersey governor Chris Christie will be remembered as one of those incredibly odd moments of elite journalistic hysteria that are difficult to explain to people who weren’t there or didn’t get it. I’m not referring to the scandal itself; that’s easy enough to understand. What Christie’s team did was outrageous and deserves as much foofaraw and brouhaha as the New Jersey media can muster. What’s harder to grok is the hysteria at the national level. For starters, there have...