The future is now. In several cities, companies from Ford to Tesla are racing to develop their own automated driving machines. We discuss the innovations and challenges of self-driving cars, and ask what it will take to make you comfortable in the passenger seat? This program will be rebroadcast on Monday, October 31st, at 9 A.M. and then Tuesday, November 1st, at 8 P.M. This is a rebroadcast of a show that aired September 20, 2016.