California school districts will be forced to limit or prohibit cell phone use in public schools after Gov. Gavin Newsom signed the bill, along with many others, into law. The bill, AB 3216, was approved by a bipartisan vote after being authored by Republican Assemblyman Josh Hoover. The bill states that schools must "adopt a policy to limit or prohibit the use by its pupils of smartphones while the pupils are at a school site or while the pupils are under the supervision and control...