Such investors, running what critics derisively call vulture funds, have been widely denounced by the World Bank and the International Monetary Fund for forcing poor countries to fend off costly lawsuits rather than build classrooms and clinics. But in the Congo Republic, where a deep-seated culture of graft has squandered so much of the nation’s wealth, those investors have become unexpected allies of anticorruption campaigners, who say such lawsuits may be the only way of holding the country accountable for how it spends its money. [refers to Elliott Associates]