'We can reach far more people through sport than we can through political or educational programmes. In that way, sport is more powerful than politics. We have only just started to use its potential to build up this country. We must continue to do so.' - Nelson Mandela

Nelson Mandela's statement reflects a widely held view that sport can contribute in unique and far-reaching ways to the delivery of important social outcomes. But is this really the case? Can sport bring people from different backgrounds together, and in so doing act as a...