FROM CNN WIRES:  A shooting that prompted a lockdown for hours at a Marine base in Virginia ended with three dead early Friday, including the gunman, authorities said. Sgt. Christopher Zahn said they were notified of the shooting at Marine Corps Base Quantico late Thursday. One person was fatally shot, and the gunman barricaded himself … Continue reading Gunman and two others dead in shooting at Quantico Marine base – Shannon Travis reports