Nicholas Kristof on Africa’s worst drought in decades

Nearly 12 million people in Africa are facing the worst drought the continent has seen in 60 years. Along with water shortages, come food shortages – and as people desperate for food become refugees, aid groups are calling for a wide-ranging effort to tackle the problem. New York Times columnist Nicholas Kristof joins the show to talk about the challenges facing the region most severely impacted, and the aid groups trying to provide relief.