The fog of war lies thick over the battlefields of Iraq and Syria. Deliberate enemy deception, willful self-deception, and the complexity of large-scale combat ensure that the truth about war is almost always obscured by a kind of fog. Occasionally a major event parts the clouds and reveals a few fragments of truth, only to have the fog close in again. The collapse of Iraqi defenses in Ramadi is one such event. But we must look quickly to learn anything at all.