A self-made billionaire, Mo Ibrahim was last year named as Britain’s most influential black person. Now he’s working to inspire transparency in African government by giving away millions to the continent’s leaders. But is it inspired philanthropy? Or an elaborate form of bribery? Where would you find Mary Robinson dancing with Kofi Annan? The first black female British cabinet minister bopping with a couple of Nobel prize winners? Angélique Kidjo getting down with the former head of SG Warburg and several recently retired heads of state?