[caption id="attachment_7344" align="alignright" width="210"] Rep. Steve Cohen[/caption] U.S. Rep. Steve Cohen (D-TN) introduced a bill Tuesday that would change federal law so that the director of the Office of National Drug Control Policy (ONDCP), commonly known as the “drug czar,” is no longer prohibited from studying the legalization of marijuana and no longer required to oppose attempts to legalize marijuana for medical or broader adult use. Specifically, H.R. 4046, the Unmuzzle the Drug Czar…