Dec 1: Sovereign debt is not risk-free

Part 3: Gary Jenkins, head of fixed income research at Evolution securities, says a major lesson of the credit crunch is that not even triple A-rated government bonds are risk-free. He warns that governments may end up damaging their own economies as the costs of financing their debts spiral upwards in a fight between countries for investors' dollars and euros. Presenter: David Oakley, FT capital markets correspondent