Two senior military officers are known to have challenged Defense Secretary Donald Rumsfeld on the planning of the Iraq war. Army General Eric Shinseki publicly dissented and found himself marginalized. Marine Lieut. General Greg Newbold, the Pentagon's top operations officer, voiced his objections internally and then retired, in part out of opposition to the war. Here, for the first time, Newbold goes public with a full-throated critique:
