September 11: United 93 (Pennsylvania)

Of the four horrific hijackings on September 11th, Flight 93, which crashed in a field outside Shanksville, Pennsylvania, resonates as one of epic resistance. A number of passengers phoned relatives and others on the ground to tell them of the hijacking and what they planned to do about it. This definitive account is by the "New York Times" reporter who covered the story. 8-page photo insert.