Stephen Bannon, a conservative film-maker, has almost finished his two-hour documentary on Sarah Palin's tenure as governor of Alaska. The movie will open in Iowa in June. Mr. Bannon aired a "rough cut" of the movie for Mrs. Palin and her husband over the weekend in Arizona. They were reportedly very pleased with the (almost) final product. Real Clear Politics has the details on this somewhat startling development in the 2012 GOP presidential campaign. Most veteran GOP pols had sort of decided amongst themselves that Mrs. Palin would not be a factor in the 2012 campaign... News that this movie...