June 14, 2011 4:22 pm Cameras in the Classroom A device from Bay Area-based Teachscape records instructors and students at work. A useful tool in the classroom or too Big Brother for your liking? US & World Videos 2:18 Workers' Memorial Day: Bay Area community honors those who lost lives on the job 0:52 San Francisco celebrates 4 years of the JFK Promenade serving as a car-free space 0:43 Pleasanton community gathers to remember family of 4 killed in crash 0:52 5 hurt in San Jose crash involving Santa Clara County Sheriff's Office car 3:10 The never-ending election?