In a time of drought and ceaseless civil wars, East Africa's refugee trails all seem to lead to Kenya. The fighting and dying along the country's borders have driven tens of thousands of starving civilians to a desperate march toward Kenya's reception centers and camps. New arrivals -- including skeletal children separated from their parents -- are crowding in at a rate that threatens to overwhelm both local and international relief organizations.
According to U.N. experts, almost 300,000 Somali, Ethiopians, Sudanese and Ugandans have already reached Kenya; that number could double in a few months. One of the worst droughts in...