March 28, 2012 11:38 pm Parents Want A Better Alert System At least 11 hours passed before Sierra LaMar’s parents learned that the Morgan Hill teen had never made it to school they day she disappeared. Critical hours that could have made a difference. US & World Videos 0:34 President Biden to visit Bay Area for fundraiser 7:17 Scandal-plagued San Jose Fire Department takes heat over lack of women in the ranks 2:01 16th Congressional district race: Low wins recount, will face Liccardo in November 0:42 May Day brings thousands in support of janitors, hotel workers in San Francisco 3:22 Pro-Palestinian campus protests continue in Bay Area, nationwide