In the wake of the just-completed Olympic Games in Beijing, we talk to W. Hodding Carter, 45, a former all-American swimmer who made an earnest effort to make the U.S. Olympic Team. His efforts (impressive yet ultimately unsuccessful) are chronicled in his entertaining new book, "Off the Deep End: The Probably Insane Idea that I Could Swim My Way Through a Midlife Crisis-and Qualify for the Olympics."