Radiant bombs fell on the sad, unlucky city of Baghdad the cool spring night I started writing my play "Massacre (Sing to Your Children)." On CNN, the bombs exploded without sound, so the full measure of the terror they caused that night was unknowable to the many Americans who, like me, nevertheless watched appalled and impotent, nauseated and angry. It amazed me that a nation that finally, on 9/11, felt the full fury and madness of a massive bombing on its own soil would so utterly fail to be sensitized by that terrifying violence. Knowing how horrible it was, how...