Newsweek On Air, a weekly radio newshour (also available via podcast), has been cancelled by Boston affiliate WRKO on the heels of the revelation of their untrue story that claimed Guantanamo Bay interrogators flushed the Koran down a toilet in an attempt to secure cooperation from prisoners there.Newsweek On Air senior editor and host David Alpern says that the program (broadcast Sundays in most markets) avoided the print publication's error, and in next week's show will examine what went wrong in the editorial process.Other stations that carry Newsweek On Air include WNYC/New York, WTOP/Washington, KCBS/San Francisco, WSB/Atlanta and the Armed...