"The al-Qaida cell broken up near Buffalo, N.Y., contains some citizens who also found themselves in Afghanistan, training for the Great All-Around Satan Smiting. Treason? Oh, of course not. They were on a religious pilgrimage and got lost. Happens all the time. I knew a kid who went to Lutheran Bible Camp and turned up six years later in a Christian Identity compound with a shaved head and a Hitler mustache."