The crossing of the US 4th Stryker Brigade and 2nd Infantry Division from Iraq into Kuwait Thursday morning, Aug. 19, ended America's combat involvement in the seven and-a-half year Iraq war. But for Iraq, it is just beginning: At least two civil conflicts are at boiling point - Sunni-Shiite strife and hostilities between the two Muslim factions and the Kurds of the North. And Iran's followers stand ready to seize Iraq's oil-rich South potentially sparking yet another world conflagration.