As the first anniversary of the 2008 global financial meltdown approaches, the BBC's business editor Robert Peston talks to four key individuals who were in the eye of the storm. Why did they fail to see the warning signs of economic catastrophe and what are the long term consequences?
Hedge fund managers and 'short-sellers': evil market manipulators who contributed to the financial mess, or canny soothsayers who predicted what politicians and bankers wouldn't or couldn't see?
Jim Chanos is a hedge fund pioneer. He made his fortune spotting and exposing irregularities in companies like Enron and gambling that their share price would collapse. He offers an insight in the psychology of short selling and why it allowed people like him to see what others did not.