Nearly two hundred thousand Americans, military and civilian personnel, were exposed to Iraqi terrorist organizations that routinely employed suicide bombings in order to kill Americans and their supporters. Some of these organizations were supported by Iran, which employed waves of children as human minesweepers in its war with Iraq. These atrocities were motivated by a religion that permits a peaceful interpretation, but cannot refute the cruelest and most violent interpretation. America simply is in no position to expose large numbers of its military and civilian personnel to this sort of horror. Instead we should attempt to quarantine such cultures and...