Today, on the steps of the State Capitol Building in Carson City, Nevada, the group Nevadans for Sensible Marijuana Laws unveiled the details of a proposed 2012 ballot initiative that would establish a taxed and regulated marijuana market in that state. The campaign will need to collect 97,002 valid signatures by November 2010 in order to qualify for the November 2012 ballot. If the initiative were adopted, it would, in the words of NSML campaign manager Dave Schwartz, “give Nevada the best marijuana…