I don't think Bennet is anti-pot, but it's not an issue he will engage on. I've heard other school-board types do a similar rhetorical dance. Bennet's base is Denver-area parents, teachers, lawyers, securities types, Realtors and retirees. Those groups are on the conservative end of the Democratic party spectrum, and are unlikely to be positively motivated by this issue. (At least this is my analysis.)