09:05HARDtalkProfessor of Geography, University of Oxford - Danny DorlingBBC World Service Duration: 23 minutes Mon 15th Sep 2014, 09:05 on BBC World Service OnlineAvailable for over a yearDownloadCan we afford the world's super-rich and what have they ever done for us? Show more GenresNewsFormatsMagazines & ReviewsBrandHARDtalk Source: BBC Online