Students photograph themselves with an iPad during a class at Broadacres Elementary School in Carson, Calif. (AP Photo/Los Angeles Times, Bob Chamberlin, File)LOS ANGELES (AP) — It took just a week for nearly 300 students who got iPads from their Los Angeles high school to figure out how to alter the security settings so they could surf the Web and access social media sites, prompting district officials to halt a $1 billion program aimed at putting the devices in the hands of every student in the nation's second-largest school system.
