DCist is star-struck. Or perhaps we’re just hoping to see some stars. Our friends at the Post’s Reliable Source tipped us off to the fact that our old favorite TV show, “The West Wing,” will be in town this weekend, casting extras for the series’ final episodes. Gossips Amy Argetsinger and Roxanne Roberts were online this past Wednesday and reported that the show is scheduled to shoot around Cleveland Park this Saturday, but they gave…