Parts of East Africa are suffering through the worst drought in 50 years. More than 10 million people in the area are in dire need of humanitarian aid. About 29,000 children under age 5 have died in the last three months. Somali refugees continue to flee to the Kenyan border, making the town of Dadaab host to the largest refugee camp in the world. Guest host David Greene speaks with Abdirahman Yabarow of Voice of America and Stephanie Savariaud of the United Nations World Food Program, who's working with the nearly half-million refugees in Dadaab.