Does the Legalization of Marijuana Violate International Law?

Ryan Scoville at the Marquette University Law School Faculty Blog,

"The argument is pretty straightforward: The 1961 Single Convention on Narcotic Drugs provides that parties 'shall take such legislative and administrative measures as may be necessary . . . to limit exclusively to medical and scientific purposes the production, manufacture, export, import, distribution of, trade in, use and possession of' cannabis, among other drugs. Having joined the treaty in 1967, the United States is bound to comply."