Retirement Rebound - The Return of Torres, Favre and Armstrong

Maybe its the fear of turning 40. Maybe its the feeling of unfinished business. Maybe its the fire in the belly that has not quite extinguished. For retired elite athletes, the itch is always there to make a return after experiencing "life after sport". For some, it becomes too strong to ignore. This year has seen the return of at least three champions, Dara Torres, Lance Armstrong and Brett Favre. Here's some reasons and research why they came back...