Individual states increasingly permit the use of marijuana for medical and/or recreational reasons; however, marijuana is still considered unlawful under federal law. Until there is one rule to follow when it comes to the use of and testing for marijuana in the workplace, the talent industry is in a “quagmire” when it comes to potential litigation, writes Lisa Ann Cooney, general counsel for Yoh and Day & Zimmermann, in a Staffing Industry Review article.