SPRINGFIELD — He was a hero right to the end, according to those who served with Marine Gunnery Sgt. Thomas Sullivan, one of four Marines killed in a deadly attack in Chattanooga, Tennessee, on Thursday, in what some officials are calling an ISIS-inspired attack. Sullivan, a Springfield native raised in East Forest Park, was running to save his wounded colleagues when he, too, was shot. He didn't survive. Known as "Gunny" to his fellow Marines, Sullivan "died a hero yesterday," Marine Sgt. Amanda Vincent told Sullivan's family, who gathered Friday at the Hampden home of his parents, Gerry and Betty...