"Sgt. Tommy Lee Terry of Madison, Ill., receiving happy news this week in Vietnam - announcement of the birth of a son, Brian - written by his wife and sent through the free radio-message service being offered by The Globe-Democrat. The baby weighed in at 5 pounds 12 ounces Monday at St. Louis Maternity Hospital. He is the fourth child of Sgt. and Mrs. Terry. Both mother and child were reported