A debate on leadership and good governance in Africa, produced by dev.tv and One Planet Pictures. A debate to answer whether bridging the digital divide is the fast track for poor nations to catch up with the rich? Will moves towards putting the global economy on a sustainable footing make up for the disappointment of Copenhagen? The Price of Peace debate at the Imperial War Museum asks whether economics is the main cause of conflict. This BBC World News debate, at the headquarters of the World Conservation Union, evaluates increasing global desertification.