D.C. local Channel 4 reported on their Six o'clock news that the head of the Dulles Airport TSA was arrested at 1 a.m. this morning for drunk driving.Last night was an eventful one at Dulles with British Airways Flight 223 being escorted by fighter jets and then being detained on the runway while federal agents interviewed passengers and screened luggage.Looking for wire copy, but they said this was an exclusive.