Beware the revolution
George Orwell's Homage to Catalonia details everything from the tedium of life in the trenches to the politics of war and the feeling of being shot in the neck. How can it possibly be staged?There are certain books whose impending dramatisation is calculated to make the critic sit up in stark wonder - not, one hastens to add, owing to any deficiencies they might possess, but because of the sheer technical difficultie…