In the late 1980s, the Iraqi representative to the International Atomic Energy Agency—Iraq's senior public envoy for nuclear matters, in effect—was a man named Wissam al-Zahawie. After the Kuwait war in 1991, when Rolf Ekeus arrived in Baghdad to begin the inspection and disarmament work of UNSCOM, he was greeted by Zahawie, who told him in a bitter manner that "now that you have come to take away our assets," the two men could no longer be friends. (They had known each other in earlier incarnations at the United Nations in New York.) At a later 1995 U.N. special session...