Gun violence dropped dramatically nationwide over the past two decades, but nearly three-quarters of all homicides are still committed with a firearm, the Justice Department said in a report released Tuesday. The report, by the department's Bureau of Justice Statistics, painted an encouraging picture of long-term trends at a time of divisive political debate over guns and legislation to regulate them. Firearms-related homicides declined 39 percent between 1993 and... (GunPolicy.org)