Almost exactly a decade since West Wing aired its last episode, actress Allison Janney showed up at a real-life White House press briefing as press secretary C.J. Cregg.

Ask, and ye shall receive. DCist reader and photographer Greg Heegn took pity on our plea for any and all information on West Wing sightings around town last weekend. The NBC drama was in town filming for its final episodes. Greg reports that he saw both Bradley Whitford (Josh Lyman) and Allison Janney (C.J. Cregg) filming small spots along 1600 Penn. Ave. around 1 p.m. on Saturday. So that we wouldn’t feel too left out,…