IN THE pre-September 11 world, the culture of correctional facilities used to rely on a certain natural order. A criminal would get busted, be sent to the joint, then along about the first time he got turned out by a guy named Fang while getting Zest-fully clean in the prison shower, he’d decide to find a community, buy a skullcap, change his name to something militant-sounding, and declare himself a Muslim.