WASHINGTON The swank cocktail party celebrating the fall of Baghdad was the hot ticket on Embassy Row.The host was the Bush administration's vicar of foreign policy. The guests on Saturday, April 12, included Tony Brenton, acting head of the British Embassy, and dozens of ambassadors from the smaller countries that fashioned the fig leaf known as the coalition of the willing.The ambassador of Eritrea was welcomed to the house on Kalorama Road, even as the French ambassador, who lives directly across the street in a grand chateau, was snubbed. The German ambassador is kaput, but the ambassador of the Netherlands...