Social Mobility has become the new Holy Grail for politicians, with all three main parties united in their desire to break down social barriers and inequality. It’s an emotive topic in Britain, raising issues of class, wealth and education.

But for some people to rise up, do others have to slide down? And does greater openness to talent necessarily make a more equal society?

Tackling the festival’s theme of Them and Us is a panel including Guardian columnist Polly Toynbee, Oxford historian Lawrence Goldman and management consultant Jamie Whyte.