California becomes latest state to restrict student smartphone use at school ABC NewsCalifornia orders schools to restrict cellphone use amid student distractions, anxiety Los Angeles TimesGov. Newsom signs bill requiring schools to restrict, prohibit student cell phone use KTLA Los AngelesGovernor Newsom signs legislation to limit the use of smartphones during school hours Office of Governor Gavin NewsomGavin Newsom signs restrictions on cell phones in schools POLITICO