Some say his life reads like a Greek tragedy. We talk with the author of "Pistol: The Life of Pete Maravich," the basketball legend whose storied life begins in Aliquippa, Pennsylvania, and ends at age 40 due to a heart attack suffered in a pick-up basketball game. There's also a new biography out about actor Jimmy Stewart and try as he might, celeb biographer Marc Eliot couldn't dig up a whiff of scandal Guests: Mark Kriegel & Marc Eliot