Olivia states that Jeanine graduated Summa cum laude from UC Berkeley. Berkeley does not confer Latin honors, but uses a different system: with distinction, with high distinction, with highest distinction.
DC Metro (subway) underground stations have a distinctive look with vaulted ceilings and a deep rectangular pattern molded into the concrete, along with alert lighting in the floor along the platform. The trains are also of a very distinctive design with sloped sides, a wide brown stripe at the window line, and vertical (not horizontal) red, white, and blue pin-striping. The station and trains depicted are very obviously the Los Angeles subway, not DC Metrorail.