The odds are never a problem if you own half the racers. This is a story of a populist who brought down his own people. Born into wealth and unrivalled privilege, at least this particular politician fought in the wars alongside his friends. It didn't stop him turning on them to save his skin, or indeed turning on his new friends to do it again. Featuring: Alcibiades  David Stuttard is a writer, lecturer, theatre director, dramaturg and Fellow of Goodenough College, London.His Nemesis: Alcibiades and the Fall of Athens was published by Harvard University Press in April 2018.  Iszi Lawrence is a presenter of BBC's Making History and The British Museum Membercast.  and on twitter: