Mike Barrow calls Senator Henney a "Yinzer," which give Pres. McCord an idea. The term "yinzer" is specific to residents of Pittsburgh who are unique in their use of "yinz," which is a second-person plural vernacular term.
Elizabeth's blockade gambit echoes another president's maneuver to avoid nuclear war: the 1962 Cuban Missile Crisis, widely regarded as the closest the world has come to nuclear war.