While chatting with a friend the other day over lunch, the conversation turned to travel-- where we've been, where we'd like to go, etc. "Have you ever been abroad?" I asked my friend in a tone not unlike a half-soused society matron at a garden party. He nodded. I was expecting him to mention one of the usual places one goes to expand one's global horizons, like France, or Italy, or Japan. "Well, I lived in Luxembourg for three years." This wasn'