Tesla CEO plans to hand the car keys to robots next year

SAN FRANCISCO -- Tesla CEO Elon Musk expects to start converting the company's electric cars into fully self-driving vehicles next year as part of an audacious plan to create a network of robotic taxis to compete against Uber and other ride-hailing services. The vision sketched out Monday during an event at Tesla's Silicon Valley headquarters requires several leaps of faith -- something that the zealous investors and consumers who view Musk as a technological genius often are willing to take. Bu