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(FILES) People take part in a demo for the legalization of marijuana in front of the Legislative Palace in Montevideo, on December 10, 2013, as the Senate discusses a law on the legalization of marijuana's cultivation and consumption. Uruguays parliament is to vote Tuesday a project that would make the country the first to legalize marijuana, an experiment that seeks to confront drug trafficking. AFP PHOTO/ Pablo PORCIUNCULA (Photo credit should read PABLO PORCIUNCULA/AFP/Getty Images)

(FILES) People take part in a demo for the legalization of marijuana in front of the Legislative Palace in Montevideo, on December 10, 2013, as the Senate discusses a law on the legalization of marijuana's cultivation and consumption. Uruguays parliament is to vote Tuesday a project that would make the country the first to legalize marijuana, an experiment that seeks to confront drug trafficking.   AFP PHOTO/ Pablo PORCIUNCULA        (Photo credit should read PABLO PORCIUNCULA/AFP/Getty Images)