Dag-nab missing introduction!

Summary: We lost our introduction... Has anybody seen our missing introduction? We join this episode already in progress, on the subject of the economic impact of marijuana legalization, then continue with: More on the DEA raid in Colorado UK research debunks links between cannabis and schizophrenia. Where's US research into cannabis? Summary of pending legislation and ballot measures in: Alabama, Delaware, Illinois, Iowa, Kansas, Maryland, Massachusetts, Missouri, New York, North Carolina, Pennsylvania, Tennessee and Wisconsin