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A young man lights a marijuana cigarette during a demonstration demanding a new law on cannabis in Montevideo on May 8, 2013. Lawmakers in Uruguay are studying a bill to legalize the cultivation of marijuana and allow limited personal consumption of it -- which if passed, will have authorities controlling its quality and the amount used. With the bill, which is supported by President Jose Mujica, the government wants to end drug-related violent crime which in recent years has emerged for the first time in the South American nation. AFP PHOTO/Pablo PORCIUNCULA (Photo credit should read PABLO PORCIUNCULA/AFP/Getty Images)
A young man lights a marijuana cigarette during a demonstration demanding a new law on cannabis in Montevideo on May 8, 2013. Lawmakers in Uruguay are studying a bill to legalize the cultivation of marijuana and allow limited personal consumption of it -- which if passed, will have authorities controlling its quality and the amount used. With the bill, which is supported by President Jose Mujica, the government wants to end drug-related violent crime which in recent years has emerged for the first time in the South American nation. AFP PHOTO/Pablo PORCIUNCULA (Photo credit should read PABLO PORCIUNCULA/AFP/Getty Images)

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Banks can use cash from legal pot dealers

The U.S treasury will now allow banks to take money from legal marijuana dealers. CNN's Evan Perez reports.

Banks can use cash from legal pot dealers

The U.S treasury will now allow banks to take money from legal marijuana dealers. CNN's Evan Perez reports.