Marijuana: Mason Tvert thinks Amendment 64 boosted national poll favoring legalization

Earlier today, Sam Levin posted about business organizations calling for a federal crackdown on Colorado to prevent the implementation of Amendment 64, passed by voters last month. Meanwhile, though, 58 percent of voters quizzed nationwide favor legalizing marijuana according to a new poll -- and activist Mason Tvert thinks the success of A64 and a similar measure in Washington state have a lot to do with that figure.