In today’s essay, Tansy Rayner Roberts’ series on Pratchett’s Men takes us to the dark side. And even if you’ve never read a Discworld novel, I think you’ll find this analysis of what makes a villain - including ruthlessness, single-mindedness, and a certain flair for bureaucracy - insightful and intriguing. And a refection on the real world as well. Plus, of course, the age-old question: is Vetinari a villain?