Capitalism, 20 years after the Berlin Wall

Twenty years ago, the Berlin Wall came tumbling down in what seemed to be a victorious day for capitalism. We look back 20 years while countries around the world today continue capitalist experiments and attempt to weather the current economic crisis. Meanwhile, a new BBC World Service poll says that only the U.S. and Pakistan believe capitalism is working today. We speak to Harvard history professor Niall Ferguson, author of “The Ascent of Money: A Financial History of the World.”