The World Tonight - 21/09/2010

Radio 4's daily evening news and current affairs programme bringing you global news and analysis. A report on the global impact of dementia says the costs associated with the illness will reach an estimated six-hundred-billion dollars this year. We look at the costs, research and strategies for dealing with this growing health problem. The Chief Secretary to the Treasury joins us from the Liberal Democrats conference in Liverpool. Women who've fled from North Korea tell us that people are starving in the streets there. The World Tonight with David Eades in London, and Robin Lustig in Liverpool.