OUAGADOUGOU, Burkina Faso — I arrived in the Sahel on a four-country trip thinking of the trouble in the region: drought, hunger, and conflict. I left impressed by the political leadership and the…

Jim Yong Kim |

In February, the United Nations named 2013 the Year of Quinoa and made the president of Bolivia and the first lady of Peru special ambassadors to the UN’s Food and Agriculture Organization (FAO).…

Jose Daniel Reyes, Julia Oliver |