21:06NewshourBattling Heroin AddictionBBC World Service Duration: 55 minutes Mon 3rd Feb 2014, 21:06 on BBC World Service OnlineAvailable for over a yearListen nowWhy might Hoffman have returned to heroin? Helen Zille on the political deal that wasn't; single sex schools 'no better than co-ed'.GenresNewsBrandNewshour Source: BBC Online