IN 1940, after the Allied evacuation of Dunkirk, advantage lay with the Axis powers. The popular song Hitler has only got one ball had become tired and was losing its effectiveness as a weapon against the Führer. The tyrannical dictator was emboldened, and it was decided that a new source of ridicule was needed to defeat the evil Third Reich.
at Bletchley Park had intercepted a conversation between two German officers in which one recalled a story he had heard. Apparently, as a young boy, Adolf Hitler had been to Berlin zoo where he had
