by Mike Krumboltz Sports mascots aren't usually known for making news. But over the past several days, three different creatures have gone from sideline to headline. All hail Admiral Ackbar The University of Mississippi (or " Ole Miss " as it is more often known) is a school of great tradition. But its mascot, Colonel Reb, was retired a few years ago, and the university has been searching for a new one ever since. School officials asked students for their suggestions,