Argentina - Triple Border

The natural border that forms on the Parana and Iguazu Rivers in South America is known as the Triple Border. To the west lies Paraguay. To the east, Brazil and Argentina. It is a region known for its natural beauty and its tourist attractions, like Iguazu Falls the largest system of waterfalls in the world. But the area is also renowned for illicit activity. The porous border has given rise to arms and drugs trafficking with contraband estimated to be in the billions of dollars per year. Americas Now correspondent Joel Richards traveled to the Triple Border to see how authorities patrol this complex frontier.

Game Changer - Alejandro Chavez

Nearly one half of Guatemala's children are malnourished and lack of patient data makes it difficult for doctors to reach them and provide them with proper care. But a research assistant from Stanford University is using technology to revolutionize how doctors get data making vital information accessible where it never was and breathing life into rural Guatemala. Alejandro Chavez is this week's Game Changer.