Clean Coal, Drug Companies and Kabul Property

Cleaning up its act - can the coal-fired power industry ever capture enough carbon?Also, the sceptical environmentalist, Professor Bjørn Lomborg, gives us his views. Plus, do drug companies always tell us the truth, the whole truth and nothing but the truth? Dr Martin MacKay, who's in charge of Pharmatherapeutics Research and Development at the global giant Pfizer provides some answers. And pockets of normality in the midst of chaos - Richard Scarth, who founded a property company in Kabul, gives his take on doing business in war-torn Afghanistan.