First death in a self-driving car happens in a Tesla

The U.S. announced Thursday the first fatality in a wreck involving a car in self-driving mode, the 40-year-old owner of a technology company who nicknamed his vehicle "Tessy" and had praised its sophisticated "Autopilot" system just one month earlier for preventing a collision on an interstate. The government said it is investigating the design and performance of the system aboard the Tesla Model S sedan.Joshua D. Brown, of Canton, Ohio, died in the accident May 7 in Williston, Florida, when hi