Not far from Fenway Park in Boston and visible from some of the busiest highways on the East Coast is a 252-foot-long, 20-foot-high billboard with a message: "Stop Traffic: Background Checks Prevent Crime," alongside enormous silhouettes of handguns. The accused? In equally large letters: Georgia, Maine, New Hampshire and Vermont. Boston Mayor Thomas Menino, city police leaders and a group called Stop Handgun Violence unveiled the billboard's message to raise public... (GunPolicy.org)