The Simpsons kick off every season with their annual “Treehouse of Horror” episode, and part of this year’s premiere, set for broadcast on November 2, I believe, has apparently leaked online. In it, Homer tries to vote for Barack Obama, only to have his vote changed to John McCain. Amusing stuff, and somewhat darkly so, given the still dire state of electronic vote security. Again, for the 75-second clip, click here.