Elizabeth McCord (Téa Leoni) is seen campaigning at the Harry Chapin Lakeside Theater, with a mountainous backdrop. The theater is actually located in Eisenhower Park in East Meadow (Long Island), NY, an area without mountains.
When the president is speaking at the Harry Chapin Lakeside Theatre, majestic granite mountains are seen behind the complex. In reality, the theater is on Long Island, New York, at least 2,000 miles from any such mountains (in the west).