As Professor of Politics at Cambridge University and host of the popular Talking Politics podcast, Festival Patron David Runciman has spent more time than most thinking about how character defines and limits the holders of the highest offices in the world. His new book Where Power Stops considers the crucial role played – both for good and ill – by the personal qualities of those who attain the pinnacles of power in the UK and America. A highly topical look at what makes our leaders tick.