Four states have asked federal officials to reclassify marijuana . Governors say they ca n't set rules without risking violations of U.S. law . Score: State laws authorizing it `` are inconsistent with efforts to ensure that medications undergo the rigorous scientific scrutiny of the FDA approval process , '' it added . 6 Critics call medical marijuana a `` Trojan horse '' for legalization .
Four states have asked federal officials to reclassify marijuana . Governors say they ca n't set rules without risking violations of U.S. law . Score: 6 Critics call medical marijuana a `` Trojan horse '' for legalization .