Iraq came under widespread criticism last year after it killed hundreds and perhaps thousands of Kurdish villagers with a chemical-weapons attack in the gulf war. Now U.S. officials confirm that Baghdad has been developing yet another form of warfare expressly banned by international law: biological weapons.
While chemical substances cause fatal gas burns in the lungs, germ warfare is designed to spawn epidemics of deadly diseases such as typhoid, cholera and anthrax. So far, there appears to be no evidence that Iraq has deployed germ warfare, despite allegations last September by Kurdish rebels that an outbreak of typhoid was caused by...