Saving Iraqi Children

Nicholas Kristof's column in today's New York Times is, as usual, intelligent, nuanced, and humane. He confronts the question that all of us who opposed the invasion of Iraq confront now: The invasion of Iraq was a mistake of historic proportions, but now that at least 100,000 Iraqis have died, and the rate of child malnutrition has skyrocketed, and the country is on the verge of a civil war, as the result of that invasion, which is the least irresponsible course of action, to stay or pull out?