A man holds a sign referring to Colorado legalizing marijuana with the state capitol dome in the background at the 4/20 marijuana holiday in Civic Center Park in downtown Denver in this April 20, 2013... more 
A man holds a sign referring to Colorado legalizing marijuana with the state capitol dome in the background at the 4/20 marijuana holiday in Civic Center Park in downtown Denver in this April 20, 2013 file photo. More than half of Coloradans believe legalizing recreational marijuana has been good for the state but were unlikely to vote for a candidate for public office who regularly uses pot, a poll released on April 28, 2014 showed. REUTERS/Rick Wilking/Files (UNITED STATES - Tags: HEALTH SOCIETY POLITICS) less 
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Reuters | Photo By RICK WILKING / REUTERS
Mon, Apr 28, 2014 4:21 PM EDT