Sebastian Coe talks to Matthew d’Ancona

Lord Sebastian Coe has unrivalled experience of the world of sport, as a double Olympic gold medallist, architect of the London 2012 Olympics, President of World Athletics, politician, businessman and champion of sport as a path to individual fitness, national pride and international collaboration. He talks to journalist Matthew d’Ancona about the ever-expanding role of sport in 21st century society, and the controversies and opportunities that lie ahead.