SHREVEPORT, La. (AP) — A man killed eight children, including seven of his own, and shot two women in an attack in a Shreveport, Louisiana , neighborhood that was the nation’s deadliest shooting in more than two years, authorities said. At a news conference outside the residence where one of the shootings occurred early Sunday, officials appeared stunned, requesting patience and prayers from the community. “This is a tragic situation — maybe the worst tragic situation we’ve ever had,” said Tom