Where the IEDs Lie, the Buffalo Roams By Jackie Spinner Washington Post Staff Writer Saturday, October 29, 2005 BAGHDAD -- The padded walls and bulletproof glass kept the sound of the world out as the crew of the Buffalo ambled down the highway at a grazing pace, examining litter. Boxes. Rags. Bags. Dead dogs. The American soldiers riding in the military's newest weapon against roadside bombs scru