Update on proposed 300% medical marijuana tax by Pamela Powers Under 2010 elections, Arizona, Arizona Legislature, medical marijuana, nanny state, Prop 203, taxes Wednesday evening (Jan 2011), I posted a story about the proposed 300% tax on medical marijuana, which blew up in the Citizen comments section and on state representatives’ facebook pages over night. The story in today’s Arizona Daily Star corroborated my story and offered more details. Basically, Attorney General Tom Horne is using a loophole in Prop 203 (the medicalmarijuana law that voters passed in