Renee Shaw and guests discuss medical marijuana. Scheduled guests: Rep. Jason Nemes, a Republican from Louisville and sponsor of a medical marijuana legalization measure in the Kentucky General Assembly; Ed Shemelya, national coordinator of the National Marijuana Initiative, a branch of the High Intensity Drug Trafficking Area Program run by the United States Office of National Drug Control Policy; Jeffrey Block, M.D., an anesthesiologist with training in pain management and addiction; and Danesh Mazloomdoost, M.D., an anesthesiologist and regenerative specialist.