Terry Gross

Award-winning sports journalist John Feinstein explains how he's gotten some of the most talented and temperamental athletes and coaches in the world to talk to him. His book One on One details his conversations with people like Bobby Knight, Tiger Woods and John McEnroe.

Technologies like GPS and social media are posing new challenges to interpreting the Constitution's guarantees of privacy and free speech. Law professor and journalist Jeffrey Rosen says we're now in an era the Founding Fathers could never have imagined, in which private companies are determining the rules for what can be shared.

Theoretical physicist Michio Kaku descries some of the inventions he thinks will appear in the coming century -- including Internet-ready contact lenses, space elevators and driverless cars -- in his book Physics of the Future.