John P. Morris, the fiery union leader who came here from the coalfields of northern Pennsylvania 56 years ago and built with his Teamsters Local 115 in Northeast Philadelphia what became a labor powerhouse, died last night. Morris, who was 76, had been ill with heart trouble in recent months. But he was still pressing ahead with a legal fight against national Teamsters leaders who ousted him from Local 115 in late 1999 amid bitter political feuding and misconduct allegations that Morris said were false. "It broke his heart," said his daughter, Nancy Morris, who had worked alongside her father...