In California, marijuana stores legally exist to sell different varieties of pot to customers that need the drug for medical purposes.  One shop, for example, pays the state some $300,000 in taxes and the federal government $500,000 in taxes. One problem: DEA could shut them down and arrest the people working and selling in the store. State and Federal laws are contradictory.

Is America ready to legalize pot, regulate it, tax it, control it the same way that alcohol is controlled by the Department of Alcohol, Tobacco, & Firearms or by the FDA? Harvard economist Jeffrey Miron and David Evans of the Drug Free America Foundation debated the benefits of America of legalizing marijuana for recreational as well as medical use on msnbc Monday.

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