STOYSTOWN, Pa. -- It was a remarkable shot that produced a one-of-a-kind image: a green pasture, red barns in the distance and, against a brilliant blue and cloudless sky, a lone mushroom cloud of dark gray smoke. Taken the morning of Sept. 11, 2001, seconds after United Airlines Flight 93 plunged into a nearby field, the eerie photo was, and still is, according to the FBI, the closest thing it's got to an image of the crash itself. Val McClatchey snapped the single picture with her new digital camera. The wife and mother had been sitting on the edge of...
