D/FW AIRPORT — A man aboard an American Airlines jet opened a door to the aircraft as it was waiting to taxi to a gate at Dallas/Fort Worth International Airport Tuesday afternoon. The 26-year-old passenger reportedly ran into the galley area at the front of the MD-80 jet and unlatched the door. That triggered the automatic deployment of an inflatable emergency escape chute. The man slid down to the tarmac and started moving toward Terminal C. The unidentified man was quickly apprehended by airline employees. The man was being questinoed by the airport's Department of Public Safety. Transportation Security Administration...