The American Independent:  “Federal agencies have stepped up efforts to crack down on medical marijuana, and while high-profile ATF raids may be more immediately shocking, there is a less direct tactic being used that could spell the death of medical marijuana across the country, according to its opponents.  In the last several months, the IRS has begun targeting medical marijuana dispensaries in California, declaring that some owe millions in back taxes as a result of a section of U.S. tax code that the IRS is now applying to medical marijuana dispensaries.”