This week on the West Wing Best Wing podcast, Molly and I discussed "Enemies," the eighth episode of season one. And no, we didn't just pick it because I have a minor crush on Fake VP John Hoynes, to go along with my major crush on Real VP Joe Biden.

No, we picked this episode because there was a complicated political issue that Aaron Sorkin didn't really explain. In the episode, Congressional Republicans attach a land-use rider to a banking bill that the White House has been working hard to pass. But what is a rider? And what can the president do when faced with a rider?