WASHINGTON -- Rolf Ekeus, living proof that not all Swedish arms inspectors are fools, may have been right. Ekeus headed the U.N. inspection team that from 1991 to 1997 uncovered not just tons of chemical and biological weapons in Iraq, but a massive secret nuclear weapons program as well. This, after the other Swede, Hans Blix, then director general of the International Atomic Energy Agency, had given Saddam a perfectly clean bill of health on being non-nuclear. Indeed, Iraq was sitting on the IAEA Board of Governors. Ekeus theorizes that Saddam decided years ago that keeping mustard gas and other...