The psychological tricks used to help win World War Two

What did the British government learn from Mein Kampf? And how did they deal with the idea of ‘the enemy within’? Fiona Macdonald finds out from a new book about British propaganda.
Read more: http://www.bbc.com/culture/story/20161021-the-psychological-tricks-used-to-help-win-world-war-two?source=Snapzu