GERM WARFARE

The message greeting United Nations inspectors on their return to Iraq last week was ungrammatical but clear. Slathered in yellow paint on a wall at the Habaniya air base were the words DOWN AMERICA. The 75 inspectors--four of them Americans--may have come back, but they were still not welcome. And there was no guarantee that they would now have an easier time carrying out their mission: to search for and destroy Saddam Hussein's weapons of mass destruction. Bill Clinton seemed skeptical of the hasty, Russian-led diplomatic initiative that had persuaded Baghdad to back down: he continued to dispatch more planes and...