It’s good to be back at the Bodensee, or Lake of Constance. It’s a beautiful place, and I’ve had friends here for more than 10 years. It is a great place to escape the Louisiana summer heat, and it’s the place where I experienced Katrina. It is also where I experienced the reaction of the world beyond the U.S. to what was happening in New Orleans. I saw the frustration of Europeans with the American government, which has been building steadily for several years....