KABUL — Four U.S. contractors for the company formerly known as Blackwater were not authorized to carry weapons when they were involved in a deadly shooting in Afghanistan this month, the U.S. military said Tuesday. The men — accused of opening fire on a vehicle in the capital on May 5 — have charged that their employer, now called Xe, issued them guns in breech of the company's contract with the military. One Afghan was killed in the shooting, and two others... (GunPolicy.org)