Son of slain California doctor said dad was asking for directions when he was shot

DANVILLE, Calif. -- A San Francisco Bay Area doctor who was on an off-roading trip with his 15-year-old son was shot and killed after he stopped to ask a man for directions, his son and other relatives said. Dr. Ari Gershman of Danville was shot on the Fourth of July near Downieville in rural Sierra...