Downtown Devil:  “A researcher and professor at the University of Arizona College of Medicine’s downtown Phoenix campus criticized a government institute for obstructing a study on the medical value of marijuana at a presentation Tuesday at the Phoenix Theater.  A study on marijuana in the treatment of post-traumatic stress disorder (PTSD) has been repeatedly obstructed by the National Institute on Drug Abuse (NIDA), researcher and University of Arizona College of Medicine – Phoenix professor Sue Sisley said.”