Summary: Andrew Marr asks what has gone wrong in the West. Economist Dambisa Moyo charts 50 years of "economic folly" and argues that only radical changes in policy will stem permanent decline, while former Chancellor Lord Lawson exposes the "myths" surrounding economic thinking. Journalist Stephen Kinzer calls on the US and UK to make Iran its ally in the Middle East. And Labour's former Home Secretary Charles Clarke explores seemingly intractable "too difficult" political problems in a series of debates.
