During his run for the presidency, Barack Obama instilled hope in medical marijuana supporters by pledging to respect state laws on the matter. And for the first two years of his term, he was generally faithful to his promise. Yet suddenly, and with no logical explanation, over the past eight months he has become arguably the worst president in U.S. history regarding medical marijuana. 1. In 1970, Nixon signed into law the Controlled Substances Act, which placed marijuana in Schedule I -- the most…

Bruce Fein served as a high-ranking Justice Department official during the Reagan administration, and has since gone on to work for conservative think tanks such as the American Enterprise Institute and the Heritage Foundation. Now, as a member of the “Just Say Now” advisory board, he’s joined the growing number of conservatives who are calling for a legal and regulated marijuana market. Watch below: