Washington, DC—The District of Columbia Department of Behavioral Health is sponsoring a Great American Smokeout on Thursday, November 21, 2013 to promote smoking cessation and offer help to smokers who want to quit. Held on National Great American Smokeout Day, the event features speakers from anti-smoking organizations and entertainment from smoking prevention youth groups and starts at 5 pm, at the Marshall Heights, Lloyd D. Smith Building, 3939 Benning Road, NE.