Eighteen years ago, my wife and I visited Normandy in France. One stop on our tour was the American Military Cemetery overlooking D-Day’s Omaha beach. It was a beautiful setting, and the French have matched beauty with grace. They have given the site to us. When you step through the gates, you are on American soil, with only the Stars and Stripes floating gently overhead. A schoolmate, Don Campbell, was killed on D-Day, so I visited the cemetery’s office to find out where his grave was located. “Sorry,” I was told. “There’s no Don Campbell buried here.” Perplexed and feeling …