Whose risk is it anyway?

Jan 9: The World Economic Forum has published its annual report on risk, highlighting four main areas of concern and calling for action. "Global Risk 2008" identifies systemic financial risk, food security, supply chain vulnerability and energy as threats this year. But the report also questions who 'own' those risks, and who will take action to mitigate them. Richard Edgar speaks to Charles Emmerson from the WEF.