“It took just 10 years from scribbling this in prison, as leader of a banned party, for Hitler to achieve power. That happened, primarily, because the German economy collapsed and because no major power was willing to enforce the world “order” established at Versailles in 1919. But it also happened because, by the mid-1930s, a lot of people had begun to hate each other.

Since 1945, every generation in the educated world has been taught “the lessons” of the rise of Nazism. But surveying the world at the start of 2016 it seems as if we have been learning the wrong lessons. The world is awash with hatred. And since around a quarter of its inhabitants have mobile social media accounts we are leaving a very detailed evidential trail about its spread.”

As Mein Kampf returns to Germany, the world is again awash with hatred | Paul Mason