Stephen Sackur speaks to one of the world's most remarkable marine scientists
BBC World Service Online
Former IMF Chief Economist, Kenneth Rogoff, talks about the current financial crisis
Can US style policing work in the UK? Stephen Sackur talks to Bill Bratton
Ken Loach talks about his 50 years of uncompromising and controversial film-making
Michael Chertoff, former Director of Homeland Security on the US after 9/11.
BBC Trust Chairman Lord Patten talks about the future of the media organisation
Will Amr Moussa be the next president of Egypt?
Ten years on, how much has the former Mayor of New York and the US been changed by 9/11?
David Hare speaks about how finding the limits of your own imagination can be painful
Should the law ever give one human being the right to kill another?