, leading to widespread starvation. In 1993, siege brought famine to parts of war-torn Angola. And in Sudan's long-running civil war, the northern-based government has used its control over food shipments to weaken insurgency groups in the south.Despite their seemingly apolitical humanitarian appeal, international food aid agencies invariably complicate the political picture. Sometimes food relief lets negligent governments off the hook; sometimes it even sustains repressive regimes. Yet 90 percent of international aid supplied Mengistu's followers, while only 10 percent reached equally famine-stricken rebels. The famine thereby strengthened Mengistu's grip on the country....