Dear Günter Grass, First: why an open letter? I have never written one before, whereas you have written dozens. You are, so to speak, Europe's leading man of open letters. I admit that the idea of turning the tables on you did appeal to me. But there is another, more personal reason for my decision to address you in this way. In a newspaper interview about your autobiography, "Peeling the Onion," you have admitted after 60 years, that you belonged to the Waffen SS. I want to make you aware of my feeling of betrayal — a feeling I believe...