BERLIN—This past Sunday, German Chancellor Angela Merkel held a special rally to announce that Germany’s WWI debts had officially been paid off, and her nation’s conscience could now rest easy. Raucous applause was cut short, however, when an aide frantically rushed onstage to inform Merkel that Germany had, in fact, been involved another major conflict since Armistice Day, 1917. “Why was I not told?” Chancellor Merkel reportedly hissed, as her supporters frantically began to murmur amongst themselves. “Did we win?