Mark recently granted an interview to National Public Radio (NPR) reporter Jonathan Wilson for the Metro Connection show's "Bookend" segment. A much-shortened version of the interview aired on June 27 in Washington DC on WAMU-FM 88.5. If you missed it, you can listen to it here:
http://wamu.org/programs/metro_connection/14/06/27/bookend_cia_by_day_spy_novels_by_night