The documents kept by the Iraqi Intelligence Service were meticulous in detail and sweeping in scope. In some, Iraqi intelligence officers in the United States are directed to use informers to track the "criminal'' actions of one current and one former Chicago area resident, both Assyrian Christians from Iraq who founded an anti-Saddam Hussein political party. Another accuses the group of being influenced by "imperialists'' and "Zionists.'' Others include the exact dates of the group's meetings and conventions in Chicago and elsewhere, the names of the people who ran the events, those in attendance and what statements were made. Trips...