In Massachusetts, the Joint Committee on Marijuana Policy just approved a "repeal and replace" bill that bears very little resemblance to the legalization law passed by 1.8 million voters in November. The bill would undermine efforts to replace the unregulated market with a system of licensed businesses. It would take away the right of voters to decide on local marijuana policy, and it could impose a tax rate on marijuana that exceeds 50%. It authorizes the sharing of information with the FBI on…