Edwin Starr’s song “War” from 1970 asked the question, “War. What is it good for?” – and answered emphatically “Absolutely nothing!” One thing war has been good for, though, is as a fertile topic – ...

‘War is what happens when language fails,’ wrote Margaret Atwood. Or ‘Jaw, jaw is better than war, war,’ as Churchill famously said. When I was taken to film the Chief of Police in Helmand in 2008, ...