What do you get when you mix a little bit of ‘Hamilton’ with a dash of ‘Six’, add a little drop of ‘Fantastically Great Women Who Changed The World’ and throw in just a smidgeon of ‘Horrible Histories’ for good measure? Well, dear reader, I’ll tell you what you get. If you add all of those things together, you get ‘Operation Mincemeat’, the little musical that is making a big impact and taking the West End by storm. In real life, Operation Mincemeat was a little known plot th