West Virginia contains the U.S. government's only law enforcement unit assigned to track guns used in crimes. But the National Tracing Center in Martinsburg is blocked from working effectively because too many members of Congress are terrified by right-to-bear-arms groups. They imposed obstacles at the request of the gun lobby. In 2003, conservatives in Congress made it illegal for the Alcohol, Tobacco and Firearms agency to give Americans any information about shady... (GunPolicy.org)