Watching Season 2 of "House of Cards." Not to be a scold or humorless, but do Washington politicians understand how they make themselves look when they embrace the show and become part of its promotion by spouting its famous lines? Congressmen only work three days a week. Each shot must have taken two hours or so—the setup, the crew, the rehearsal, the learning the line. How do they have time for that? Why do they think it's good for them?

"House of Cards" very famously does nothing to enhance Washington's...