This image released by the Mexican federal police shows drug kingpin Edgar Valdez Villarreal, aka "the Barbie," a member of one of the country's top drug cartels, during his arrest Monday. HO/AFP/Getty Images/HO/AFP/Getty Images hide caption

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A migrant from Honduras waits for a train during his journey toward the U.S.-Mexico border on the outskirts of Mexico City. Marco Ugarte/AP hide caption

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Lilian Ramirez, wife of miner Mario Gomez, sweeps outside the tent she set up near the collapsed mine. Natacha Pisarenko/AP hide caption

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A group of people kidnapped by alleged drug traffickers as they were rescued by members of the Mexican army in Sabinas Hidalgo, north of Monterrey, on April 27. Sixteen people, including a woman and a 2-year-old girl, were rescued during the operation. Dario Leon/AFP/Getty Images hide caption

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Andrew Loog Oldham, pictured here in 1964, completely revamped The Rolling Stones' look and behavior. Richard Chowen/Hulton Archive hide caption

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