Professor Brandon Gauthier comes on to discuss his book Before Evil, where he examines the making of 20th Century’s greatest tyrants. He reminds us to never forget that the world’s monsters are humans too, with dreams, fears, ambitions and childhoods. That they were the hero in their own story. Stalin was trying to bring Russia up to date, Hitler was carving out an empire for himself and the German people, Mussolini wanted to be great and at the head of a new roman empire. And Mao wanted to bring order to the chaos around him.

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