How the ideologies of British black politics in Britain have changed since the 1980s.
BBC Radio 4
How effective is cultural diplomacy as a weapon of soft power?
Edward Stourton asks if the political class is catching up with public opinion on the EU.
Owen Bennett-Jones asks, what exactly is the Lebanese Shia movement Hezbollah?
Could a more relaxed policy on immigration help the developing world more than state aid?
Hugh Miles finds out more about Libya's new Islamic capitalism.