On Monday, CNN released a new poll showing 55% of Americans support making marijuana legal. Only 44% were opposed. According to the CNN poll and numbers from General Social Survey polling, support for legalizing marijuana has steadily soared over the past quarter century - from 16% in 1987 to 26% in 1996, 34% in 2002, and 43% two years ago. The survey found interesting divides on the issue. "There are big differences on age, region, party ID, and gender, with senior citizens, Republicans, and Southerners…

Check out MPP's Dan Riffle on CNN discussing the issues facing the marijuana industry on the eve of the first legal sales of marijuana to adults in Colorado: