Do you like a good 9/11 mystery? I know Infidel Sage does. All right, check this: A man named Stuart Buck blogs on his website The Buck Stops Here. It is apparently a credible site (Michael Barone, Instapundit, and Jonah Goldberg vouch for it). Two years ago, he first wrote about the mysterious case of Dr. David Graham, a dentist in Shreveport, Louisiana. Graham said that he had met three of the 9/11 highjackers a year before the attacks at a home in Shreveport. He became suspicious of them (he thought they were planning attacks on nearby Barksdale AFB) and...