Following the careers of the swiftest in the sporting world has been the preoccupation of Kenneth Rudeen as a writer, and now as a senior editor, for Sports Illustrated. Man has always been obsessed with speed, and throughout history his quest has gone on in a thousand ways. He has continually pushed for faster speed of communication, for swifter movement of people and goods from the day of the cart to that of the jet airplane. Speed afoot and...