Marijuana has been listed as an illegal Schedule I drug under federal law since Congress passed the Controlled Substances Act in 1970 (CSA). However, in recent years, a number of states such as Pennsylvania and West Virginia have passed bills that decriminalize or legalize medical marijuana use. As of the writing of this article, nine states and the District of Columbia have adopted measures legalizing marijuana for recreational and medicinal use, and 30 states have legalized medical marijuana use. According to a Gallup poll, support for the drug reached new highs in 2017, with the poll showing that 64 percent of Americans favor legalization. When asked specifically about the legalization of medical marijuana, that number grew to 83 percent, according to a recent Marist College survey. Last month, Attorney General Jeff Sessions issued a new memo rescinding the prior Obama administration’s directives to withhold prosecution and to allow federal prosecutors more leeway to decide ho