A robo-car speed bump? Toyota, GM defects cast new light on push for self-driving autos

Computers are slowly taking over one of the most potent symbols of human independence: Driving.
The government says that shift will make the roads safer and eventually free people to work, read or even watch a movie as they travel from place to place.  But in the wake of deadly manufacturer defects at Toyota and General Motors, analysts are raising questions about whether autonomous vehicles could hurtle into dangerous territory.