The Washington Posts former Baghdad bureau chief, Raviv Chandrasekaran, takes us with him into the Zone, into a bubble, cut off from wartime realities, where the task of reconstructing a devastated nation competed with the distractions of a Little Americaa half-dozen bars stocked with cold beer, a disco where women showed up in hot pants, and a parking lot filled with shiny new SUVsmuch of it run by Halliburton. Most Iraqis were barred from entering the Emerald City for fear they would blow it up.