HARDtalk

Sir Jackie Stewart made his name as one of the all time greats behind the wheel of a racing car. He was three times a Formula One champion. Off the track, he showed that he was more than a fine driver. After winning 27 grand prix he went on to succeed in business - more recently, as a "global ambassador" for what is now the bailed-out Royal Bank of Scotland. He talks to Jonathan Dimbleby.