<p>By RALPH PETERS May 1, 2004 -- THE United States just experienced its first true disaster in Iraq. As news of the disgraceful mistreatment of prisoners by American soldiers sweeps the world, our enemies celebrate a major propaganda gift. Even our friends cannot defend the indefensible. On the battlefield, we must be fierce. But once an enemy becomes a prisoner of our military, he must be treated justly and humanely. Strictness, yes. Abuse, no.</p>