Support WBURWho Declares A Famine? And What Does That Actually Mean?Play03:54Download AudioNurith AizenmanFebruary 23, 2017 ShareLucia Adeng Wek holds her 3-year-old son, Wek Wol Wek, who suffers from malnutrition. They're at a clinic in South Sudan run by Doctors without Borders and were photographed on October 11, 2016. (AFP/Getty Images)
