The Justice Department has announced historic new regulations, giving states the power to regulate marijuana use. The changes affect 20 states with medical marijuana laws, and two others that allow ... more 
The Justice Department has announced historic new regulations, giving states the power to regulate marijuana use. The changes affect 20 states with medical marijuana laws, and two others that allow more widespread pot use. Bill Whitaker reports. less 
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Fri, Aug 30, 2013 8:37 AM EDT