A shopper examines produce at a Wal-Mart store in Mexico City. Wal-Mart's expansion into Mexico has been a major success, but its business practices have raised new questions. Daniel Aguilar/Getty Images hide caption

itoggle caption Daniel Aguilar/Getty Images

The European Union is forcing a British winery to give away wine made with Argentinian Malbec grapes. Here, a cluster of Malbec grapes hang from a vine. Eric Risberg/AP hide caption

itoggle caption Eric Risberg/AP

Argentine President Cristina Fernandez holds up a petroleum sample as she announces plans for her government to nationalize a giant oil company that is largely owned by a private Spanish company. Behind her is an image of the country's former first lady, Eva Peron. Daniel Garcia/AFP/Getty Images hide caption

itoggle caption Daniel Garcia/AFP/Getty Images

Children portray drug lords, corrupt police officers and human traffickers in "Niños Incómodos," which was viewed more than 1.8 million times in one week on YouTube. YouTube hide caption

itoggle caption YouTube

Argentine President Cristina Fernandez holds a petroleum sample as she announces plans for her government to nationalize a giant oil company that is largely owned by a private Spanish company, Repsol. Behind her is an image of the country's former first lady, Eva Peron. Daniel Garcia/AFP/Getty Images hide caption

itoggle caption Daniel Garcia/AFP/Getty Images

Bird-watcher Jeff Gilligan snapped this photograph of a small boat in distress. Gilligan and others say the cruise ship he was traveling on did not stop to help the stricken craft. Jeff Gilligan hide caption

itoggle caption Jeff Gilligan