Sept 4: Does the west know best?

Ahead of the forthcoming G20 meeting of world leaders, John Thornhill, hosts a discussion on the future of global governance. Kishore Mahbubani, dean of the Lee Kuan Yew School of Public Policy in Singapore, debates with Moises Naim, editor-in-chief of Foreign Policy magazine, on whether the financial crisis has shattered the illusion that the west knows best. Produced by Alistair Gray and Steve Ager.