It is a battle for control between man and machine and it is going on all the time in our airplanes, our cars, our operating rooms. How will the debate finally be resolved? Perhaps we and our machines become one. Or perhaps our machines develop a life of their own, evolving with us. Correspondent: Robert Krulwich Airdate: 12/22/1997This product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply.