20 Questions: Jack La Lanne

20 Questions: Jack La LannePhysical fitness has America in an iron grip. With that in mind, we asked Contributing Editor David Rensin to speak with one of the few legends of health-and-body conditioning and the founder of the modern-day health salon, Jack La Lanne, on the eve of his 70th birthday. Says Rensin:"When the interview began in La Lanne's living room at 8:30 A.M., he had already been awake for five hours. He'd exercised, had breakfast and donned a red jump suit."Most people k...