Is Saddam Hussein's old army coming back into the fold? THE good news for the United States is that Fallujah, the city at the heart of Iraq's insurgency has, for the time being, fallen strikingly quiet. American forces have lifted their three-week siege and withdrawn beyond the town's perimeter. Many of the 100,000 residents who had fled have come home. Americans and Iraqis who were fighting each other have agreed to create a “Fallujah brigade”. Insurgents who hours earlier were shooting at Americans happily accepted American offers of cash, radios and uniforms. Many Americans—and Iraqis—in Iraq worry that these short-term...