ABC News -- From Reuters: At least seven people were killed and 12 wounded in a shooting at a U.S. Army base in Fort Hood, Texas, on Thursday, local media reported. One gunman was in custody and another was on the loose, local media reported. One station said there was a third shooter involved. The attack happened at the Soldier Readiness Center at Fort Hood, according to the FOX 4 television station. The base is currently in lockdown mode, according to Fort Hood's website. Fort Hood is halfway between Austin and Waco, about 60 miles (97 km) from each city, in Texas. Our Martha Raddatz reports the base is on lockdown; top soldiers on base are being asked to account for all personnel; our Jake Tapper reports that the President has been notified; our...