Constitution USA: Discussion with Dr. Mark McKenzie Pt. 2 By editor • May 23, 2013 TweetShareGoogle+Email View Slideshow 1 of 2 Courtesy of Christopher Buchanan / Insignia Films View Slideshow 2 of 2 Constitution USA airs Tuesdays at 8pm on PBS Channel 5. KTTZ produced these interstitials to give deeper insight into the program. Host Paul Hunton sat down with Dr. Mark McKenzie of Texas Tech University. Watch the latest episode of Constitution USA! Watch the full episode. Tags: ConstitutionUSAkttztexastechpublicbroadcastingchannel5lubbockpetersagalpbsTweetShareGoogle+Email Related Content Constitution USA: Discussion with Chancellor Kent Hance 3 years ago Constitution USA: Discussion with Dr. Mark McKenzie 3 years ago View the discussion thread.