CHEYENNE, Wyoming -- A Second World War German Heinkel bomber, en route to a U.S. air show, crashed into a building under construction yesterday, killing the pilot and his passenger, police said. Witnesses said they heard a sputtering sound shortly before the twin-engined HE-111 plowed through a chain-link fence and slammed into the brick structure, igniting a fire that lasted an hour, police Lieut. Robert Korber said. A construction worker who was inside the building - an unfinished school bus-washing facility - fled and escaped injury, said Tom Rooney of the Laramie County school district. The bomber was the last...