HOUSTON (AP) - The co-pilot of a single-engine aircraft plunged from the plane as it made a steep turn 9,000 feet over the Houston area. The 45-year-old Houston man apparently jumped or fell from the plane Sunday afternoon near Prairie View, about 20 miles northwest of Houston, federal and local authorities told the Houston Chronicle for Monday editions. An instructor pilot, the only other person on board, was concentrating on a steep turning maneuver when he heard a thump and saw the co-pilot's feet and legs leaving the airplane, Waller County Sheriff's Lt. John Kremmer told the Chronicle. Kremmer said...