Interview with David Nason

David Nason, former Assistant Secretary for Financial Institutions at the US Department of Treasury and currently a Managing Director at Promontory Financial Group, talks to Tom Braithwaite, Business and Politics Correspondent, about the bankruptcy of Lehman and the decision by US regulators not to save the investment bank. He also discusses the US government's response to the financial crisis more generally, including Tarp and the bailout of other financial institutions.