A reporter tracks down the remnants of Harold Camping’s apocalyptic movement and finds out you don’t have to be crazy to believe something nuts.

Liberals, Haidt found, mostly pay attention to just three moral foundations -- care, fairness and liberty. Conservatives, though, especially social conservatives, pay attention to all six (care, fairness, loyalty, authority, sanctity, and liberty). As a result, Haidt argues, liberals have to work harder to understand conservatives than vice versa.