Essential California: Protesters rally outside LAPD headquarters

It is Wednesday, July 13. The newest trend in San Francisco is robots acting as security guards. But can they be trusted to keep us safe? A mother says her toddler was knocked down and run over by a robot in Palo Alto. Here's what else is happening in the Golden State: Protesters marched outside LAPD headquarters before taking to City Hall on Tuesday as the Police Commission found that the fatal shooting of a 30-year-old woman was within the department's policy.