Military retaliation from Baghdad was the main administration concern following Saturday's strike on Iraq. Yet U.S. officials should start thinking seriously about the question of retaliation through terror. It is quite possible, for example, that there was a connection between Saddam and recent attempts to blow up Manhattan. It is quite possible that New York's terror is Saddam's revenge. Speculation about the responsibility for last week's bombing plot and the earlier World Trade Center bombing has focused on Iran, Sudan, and the fundamentalist Sheik Omar Abdel-Rahman. Much energy has been spent linking the terror to Islamic fundamentalism. Yet Saddam,...