International efforts to stamp out graft among public officials have made little progress, laments a new study. Corrupt politicians and greedy businessmen are not just enriching themselves, but hampering economic development THE United Nation's summit on sustainable development, now under way in Johannesburg, is a rallying point for a plethora of causes, some more deserving than others. The latest to join the throng—with some justification—is Transparency International (TI), a non-governmental organisation that fights corruption worldwide. But those striving to break the cycle of poverty and graft in the developing world will find little to encourage them. TI’s latest Corruption Perceptions...