GPS Special: The Next Big Idea

Fareed Zakaria speaks about flying cars, preventing Alzheimer's disease, reducing hunger and food waste, and the inventive skills needed to solve the complex problems of the future. Guests are: - Sebastian Thrun: Flying Cars: From Fiction to Reality- Walter Isaacson: What Makes a Genius?- Dan Barber: How to Waste Less Food- Andrew McAfee and Erik Brynjolfsson: Will Machines Take Your Job? - Lisa Genova: Can You Stave off Alzheimer's?