Before a writer for Rolling Stone ever made the mistake of believing an alleged gang-rape story told by a student named "Jackie," she bought an alleged multiple-rape story told by a former altar boy named "Billy." On Nov. 19th, Rolling Stone published an article claiming that "Jackie," a student at the University of Virginia, had been allegedly gang-raped by seven men at a fraternity party. ["A Rape on Campus; A Brutal Assault and Struggle for Justice At U-VA."] The fraternity was tried in the media and found guilty. Bricks were thrown through the windows of the frat house, the cops...