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Flowers and stuffed animals of a makeshift memorial for school shooting victims encircle the flagpole at the town center in Newtown, Conn., Saturday, Dec. 15, 2012.  The massacre of 26 children and adults at Sandy Hook Elementary school elicited horror and soul-searching around the world even as it raised more basic questions about why the gunman, 20-year-old Adam Lanza, would have been driven to such a crime and how he chose his victims. (AP Photo/Charles Krupa) ORG XMIT: CTCK106