The self destruction of the Sunnis is analyzed by Wretchard at The Belmont Club. Some excerpts:
"The first and fatal miscalculation by the Sunnis was to think they could drive the U.S. Armed Forces from Iraq, a gamble which they lost. Encouraged by the absence of a crushing campaign in northern Iraq . . . and alienated by the American decision to 'de-Baathize' Iraq, many former military Sunnis chose to continue resistance using guerrilla tactics. By March, 2004 they were ready. The insurgent uprising of early 2004 that culminated in the abortive First Battle of Fallujah, which still saw the Shiites in as militarily inferiors. Moqtada al-Sadr's men were as yet limited to their bailiwicks and relatively weak. But doomed attempts to stand and fight against U.S. forces eventually imposed crippling human and material losses on the Sunnis. . . .
"The Sunni insurgency compounded its military failures by ruthlessly suppressing any attempts by their ethnic leaders to participate in political process sponsored by the Coalition and by murdering any Sunni who came forward to join the new Army and Police. The result was that Sunnis were underrepresented in both the Constitutional convention and in the elections of 2005. It was a double-whammy. Not only were Sunni military resources depleted, but they self-selected themselves out of the American sponsored Iraqi government. In my personal view, the Sunnis were encouraged along this path to disaster, not only by the mixed signals sent by the U.S., which alternately seemed to conciliate and confront them, but also by the coverage of the MSM which trumpeted the view that the Insurgency was growing more potent."What news stories missed until very recently was that the insurgent determination to fight increasingly sprang from despair rather than confidence in a Sunni restoration. The recent press release announcing the establishment of a rump Sunni "Caliphate" consisting largely of desert and absurd claims to oilfields beyond their grasp should have signalled how low their ambitions had fallen. But one person who understood how badly things stood for the Sunnis was Abu Musab Zarqawi. In the last months of his life, Zarqawi viewed with mounting alarm the American program to rebuild the Iraqi Army, largely from Kurds and Shiites -- since the Sunni insurgents did their level best to blow up any lines of Sunnis who applied for Iraqi Army or Police jobs -- and understood that unless he could drive America out of Iraq by other means all was lost. His solution was to unleash chaos upon everything. . . ."
"The offensive was initially billed by U.S. officials in Baghdad as an Iraqi-led success and a case study in support of the Pentagon's increasing reliance on using American troops as military advisors as a way to shift security responsibilities to Iraqi soldiers.More here.
"But interviews at their joint Rustamiya base with U.S. advisors and Iraqi soldiers involved in Friday's battle revealed a different story. The operation was hastily prepared and badly executed, they said, and plans to let the Iraqis take the lead in the battle were quickly scrapped." 'It started started out that way," [Staff Sgt. Michael] Baxter said. "But five minutes into it, we had to take over.' "