In a special edition of HARDtalk from Berlin, Stephen Sackur speaks to Mikhail Khodorkovsky. For ten years he was Russia's most famous prisoner, the former oil tycoon who fell out with President Putin and paid the heaviest of prices. Just days ago President Putin pardoned him, and released him. Now he is staying in a Berlin hotel, reunited with his family. He reflects on his past, present and future. Show less