Norman Lamont, Andrew Hilton, Mark Bloomfield

The US economy is experiencing the worst crisis since the crash of 1929. The property market is in turmoil, toxic debt has poisoned the international financial system and governments are bailing out banks with hundreds of billions of taxpayer dollars.

Does the free market need an overhaul? Stephen Sackur talks to Norman Lamont - a former UK Chancellor of the Exchequer, Andrew Hilton - a respected Economist and Mark Bloomfield - a US business leader.