Whether you’re pleased or peeved by Mitt Romney‘s pick for running mate, Wisconsin Rep. Paul Ryan, there’s no denying that the politician is a model of good health. A former personal trainer ...

Tony Horton has trained Bruce Springsteen, Tom Petty, Stevie Nicks, even Billy Idol. Actors Ben Stiller and Ashton Kutcher have raved about his exercise DVDs. But it was the news that fitness buff ...