The garrulous, driven gymnastics coach tells his story, which in some ways is the archetypal immigrant story: rising from a hardscrabble boyhood to become the coach of Nadia Comaneci; defecting from Ceaucescu's Romania to America, where he started all over again, learned English, and coached Olympic gold-medalist Mary Lou Retton. Karolyi is not a modest man, but he's earned his share of vanity.