Sunday, August 23, marks the 70th anniversary of the so-called Molotov-Ribbentrop Pact - the non-aggression treaty signed in 1939 by Soviet Foreign Minister Vyacheslav Molotov and German Foreign Minister Joachim von Ribbentrop. The pact included a secret protocol dividing Eastern and Central Europe into Nazi and Soviet spheres of influence. Days after it was signed, first German and then Soviet forces invaded Poland. The anniversary's approach has sparked a debate in Europe. Western governments condemn Adolf Hitler and Josef Stalin as two equally murderous variants of totalitarianism. The Russian government calls that comparison a "distortion" of history. On August 17,...