A man carries a bag with coca leaves in December 2013 in a rural area of Corinto, department of Cauca, Colombia. The Colombian government and the FARC are attempting address the issue of "illicit cultivation" as the third point of their ongoing peace talks. AFP/AFP/Getty Images hide caption

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A woman leaves a rose in front of the AMIA Jewish community center facilities in Buenos Aires Monday, after Argentine prosecutor Alberto Nisman was found dead. Nisman had been investigating a 1994 bombing at the center. Martin Di Maggio/EPA /LANDOV hide caption

itoggle caption Martin Di Maggio/EPA /LANDOV

A comic book captures the attention
 of Guinea worm patients Sadia Mesuna (right) and Fatawu Yakubu at a center for patients in Ghana. Louise Gubb/Courtesy of The Carter Center hide caption

itoggle caption Louise Gubb/Courtesy of The Carter Center