Stanford professor Richard White, author of 'Railroaded,' voices his staunch opposition to California's high-speed train
Congress could go a long way towards fixing the federal system without destroying state revenue codes—but only if reform is done carefully.
Former Stanford professor Sebastian Thrun has already taught a class of 160,000. Now he's aiming to teach 500,000 students.
Google and other companies have ironed out most of the wrinkles in computer-driven cars, and have even done successful tests on public highways. But policy questions remain, including: how would a police officer pull over an autonomous vehicle?