From golfing in the arctic circle to 22-day roller coaster marathons, acclaimed sportswriter Steve Rushin is out with a new book on extreme recreation. "The Caddie was a Reindeer" is a compilation of Rushin's tender odes to his old favorites like basketball and hockey, as well as off-the-wall explorations of off-the-map sports. What drives a person to go zipping through the mountains of Germany at 180 miles per hour, anyway?Guests: Steve Rushin writes the popular "Air and Space" column in Sports Illustrated. Minnesota native.