https://www.salon.com/2018/04/05/arizona-republicans-fight-to-protect-dark-money-donors-from-voters/
"Republicans legislators in state capitals have embraced pre-emption laws, preventing city governments from enacting all kinds of things: Protecting their residents from discrimination, for instance, or increasing the minimum wage. Now Republicans in the Arizona state legislature are using that power to protect the flow of dark money — cash spent on campaigns from secret donors — into state and local elections. It turns out some powerful national interests are involved in making sure that local communities don't know who is spending money to influence their elections."
