When it comes to Iraq, a majority of Americans simply won't take yes for an answer. The surge is succeeding. Security in Iraq's three major cities has vastly improved. The Iraqi army is finally asserting control. American casualties are at their lowest since 2003. Civilian deaths, kidnappings and car bombings have plummeted. Al Qaeda is now virtually friendless in Iraq. Most important, the Shiite and Sunni mainstream are beginning to participate in their own liberation.