Vladimir Putin has said there was nothing bad about the Nazi-Soviet Pact, the non-aggression treaty which led to the carve-up of Poland at the outset of the Second World War, suggesting Britain and France were to blame for Adolf Hitler's march into Europe. […] Mr. Putin said that Western historians today try to “hush up” the 1938 Munich Agreement, in which France and Britain—led by Neville Chamberlain, the prime minister—appeased Adolf Hitler by acquiescing to his occupation of Czechoslovakia’s Sudetenland. […] Mr. Putin appeared to think Moscow’s own agreement with Hitler—the 1939 Nazi-Soviet or Molotov-Ribbentrop Pact—was fine, however. “Serious research...