Connie Mack III, right, introduces his son U.S. Rep. Connie Mack IV, center, during a watch party in Bonita Springs, Fla. Tuesday, Nov. 6, 2012. Mack conceded the Senate race to incumbent Bill Nelson. Nelson won even though he was up against a sitting congressman whose father once held the Senate seat _ and whose great-grandfather was a baseball Hall of Famer. (AP Photo/J Pat Carter)
