What happens when the federal government says the marijuana industry is illegally trafficking drugs? They tax it.When Gov. J.B. Pritzker signed the 610-page Cannabis Regulation & Tax Act, he did more than just legalize recreational marijuana in Illinois starting Jan. 1. He also opened up a host of legal questions for the state.This week, the Daily Law Bulletin is examining three of those current questions in Illinois law, looking for examples set by other states that legalized marijuana.On Wednesday, we looked at the …