One of my unsung heroes is an unnamed veteran Detroit firefighter. After years and years of doing good and getting no credit for it, saving people's lives and never being thanked for it, he decided he'd had enough. "I was fed up," he told a reporter who interviewed him after the bizarre episode. "I was fed up right to here," he said pointing to the top of his head. "Did you ever feel that way, I mean really fed up?" h…