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Marijuana saleswoman Marissa Dodd (center) talks to a customer about different varieties of marijuana available at the Dr. Reefer marijuana dispensary April 20, 2010 at the University of Colorado in Boulder, Colorado.
In a major policy change, the White House announced yesterday that it will not interfere with states laws allowing for recreational marijuana use. That is, as long as those states do a good job regulating pot sales.
With more on what this means is Beau Kilmer. He's co-director of the Rand Drug Policy Research Center.