Here's a trailor to a documentary that follows two American kids being taught at a Pakistani madrassa. Apparently there's 70 American kids at this particular Madrassa, which has had the distinction of being visited by Osama himself, and there are up to 600 American kids presently learning in Islamic schools across Pakistan. There's a series of interviews at the Karachikids website. They seem to go on forever, but it's worth listening until you've heard enough - don't click on the movie at the site, just wait for the sound to start.