Don't ask America's top brass exactly how the Iraq war is going. They don't know. The various U.S. services have never managed to agree on a unified system for gauging successes and failures in the counterinsurgency campaign. Instead, everyone uses a different yardstick. Recently the National Intelligence Council, the information clearinghouse for America's spy services, produced a study of the problem. NEWSWEEK has learned that the document, which remains classified, urges that the present babel of war assessments be replaced with a coherent system, one that would help U.S. forces react faster and more effectively to shifting insurgent tactics and other challenges. The paper's overall tone is "not uplifting," according to a source familiar with its contents. In blunt terms, things are looking grim. How grim? It's anybody's guess.

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