San Bernardino school closed following murder-suicide

Students dove under desks when a man walked into his estranged wife's elementary school classroom and opened fire without saying a word, killing her and an 8-year-old student and wounding a 9-year-old before fatally shooting himself, authorities said.Some six weeks earlier, 53-year-old Cedric Anderson was a newlywed calling his 53-year-old wife Karen Smith an "angel" in one of many social media posts professing his love.San Bernardino police have said nothing of what might have motivated Anderso