Christina, remember that the NEA headquarters is merely a??block away from the Russian embassy, the two being separated by just the University Club, the American Chemical Society, and M Street, if I'm not mistaken. I've long suspected an underground passageway connecting their outfits, and your perceptive juxtaposition has??only strengthened my suspicions.
Photo by Flickr user freedomtoast. (See the picture over at Flickr for a translation of the poster.)