In the year since the massacre of 26 schoolchildren and adults in Newtown, Connecticut, efforts to pass gun legislation have stalled in the U.S. Congress but shifted to the states, helped by the deep pockets of outgoing New York Mayor Michael Bloomberg. In scores of statehouse battles, both gun-control and gun-rights advocates have notched wins since a mentally unstable gunman killed 20 first-graders and six adults at Newtown's Sandy Hook Elementary School on December... (GunPolicy.org)