10 things to know about nation’s first recreational marijuana shops in Colorado

By Michael Martinez, CNN
There appears to be a shift in the United States in favor of relaxing marijuana laws, a topic that has dipped in and out of the national conversation for decades. Public perceptions about pot have come a long way, from the dire warnings of "Reefer Madness" to growing acceptance of medical marijuana.
Colorado will begin allowing recreational marijuana sales on January 1 to anyone age 21 or over.
Residents will be able to buy marijuana like alcohol — except the cannabis purchase is limited to an ounce, which is substantial enough to cost about $200 or more.
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