Succumbing to his rage, a Nakhon Pathom man walked into a hospital on Friday and shot his wife and father-in-law before turning the gun on himself. Blood splattered the floor of the Nakhon Pathom Hospital waiting room after Chaiyaporn Chaowanakamon, 31, opened fire and shot Sampan Tanamsri, 60, and Tunyamad Tanamsri, 29, who five months…