The first thing President Obama did on taking office was promise to close Guantanamo Bay. He warned it would take time, but weeks on, only one of its 245 prisoners has been released and there have been no proposals for what will replace the military tribunals. Clive Stafford Smith is a human rights lawyer who represents some of its inmates and David Rivkin is a former legal adviser to the White House. What do they think should happen to those still being held there? They talk to Sarah Montague.