Katya Adler speaks to Lord Moynihan, Chairman of the British Olympics Association and Director of the London Organising Committee of the Olympic Games. London 2012 has been a resounding success, applauded at home and abroad, but what can be done to ensure an enduring sporting legacy? British sports are celebrating their best collective performance in over a century. So now that the Games are over, why has Lord Moynihan submitted his resignation?(Image: Lord Colin Moynihan at a press conference in July 2012. Credit: David Davies / PA Wire)