“As we asked ourselves how we could have gotten the story wrong ...” Thus read a Rolling Stone editor’s note attached to a post-mortem on the false article it published last fall about an alleged gang rape by members of the University of Virginia’s Phi Kappa Psi fraternity. Such statements extract all the oxygen from the air that serious journalists breathe. “A Rape on Campus,” which raised flags among other reporters and editors, as well as readers, alleged that “Jackie” went on a date to a fraternity house, where she was raped by seven men while at least one other stood by coaching.