The Persistent Voice of Harbor-UCLA Psychiatrist Charles Grob Is Rising Against the Chorus That Has Made Ecstasy One of the Most Demonized Drugs in America. Have Its Potential Benefits Been Lost in the Din? A four-person panel convenes in a swank Los Feliz lounge in conjunction with the Silver Lake Film Festival. The topic: illicit substances in American culture. Sitting around the table are the kind of indie/alternative types one would associate with a festival such as this: an LA Weekly writer, a documentary filmmaker and the playwright who adapted the cult documentary "Reefer Madness" to the stage. [continues 3178 words]