The argument about the origins of Nazism will run and run. But there is little danger of Germany rehabilitating Hitler, even in the driest and most academic corners of historical theory. In Russia, by contrast, Stalin's memory is being burnished. A new guide for history teachers describes Stalin as the Soviet Union's “most successful leader”; it admits that “political repression” took place, but says it “was used to mobilise not only rank-and-file citizens but also the ruling elite.” President Vladimir Putin, welcoming this guide, compared Stalin's Great Terror of 1937 with the allied bombing of Hiroshima. It would be interesting to hear Mr Putin's tame historians debate the Stalin era with Mr Gellately.