WASHINGTON An investigation is "ongoing" in a military base shooting which injured five soldiers in the state of Georgia, US Army Secretary Dan Driscoll said Thursday. "We are going to do a deep heart investigation," Driscoll told reporters. His remarks came after an Army sergeant shot and wounded five soldiers with a personal handgun Wednesday at Fort Stewart-Hunter Army Airfield. The shooter, Quornelius Radford, 28, is in custody. "Our commitment is what we learned will be disclosed. It will