Duke University historian Nancy MacLean, not content to do slap and tickle histories, has gone on to trivialize a malady that afflicts millions. "Nancy MacLean, the Duke University historian who wrote Democracy in Chains, the deeply conspiratorial and much-criticized biography of public choice economist James Buchanan, told an audience in New York last week that Buchanan and other early leaders of the limited-government movement 'seem to be on the autism spectrum,'" Robby Soave reports on Reason.com. "According to MacLean, there is a connection between autism and libertarianism, and that connection is not feeling 'solidarity or empathy,' and having 'kind of...