There was some head-scratching a couple of days ago over the Justice Department’s indictment of Jared Lee Loughner in the Tucson shootings case because he was not charged with the murders of Chief Judge John Roll and Gabriel Zimmerman, a legislative aide to Rep. Gabrielle Giffords. Instead, the indictment charges only the attempted murders of Representative Giffords and her two other aides, Ron Barber and Pamela Simon. (My column a few days back explained that there is no federal jurisdiction to charge murder or attempted murder in connection with the victims who were not federal officers.) I was interviewed by...