Heads I Win, Tales Perpetual War

Robert Farley discovers that in wingnutland if the Mahdi Army lies low in the face of the surge, that proves the surge is working, while if the Mahdi Army decides to fight US forces, that proves the surge is working. Farley feels this is illogical. He's forgetting that the surge is Bush's policy, which means that it's working by definition and, thus, whatever reaction the Mahdi Army has to the surge is evidence of success.