So thinks Mark Whittington, a writer for Yahoo’s contributor network, in an article that more than a few people have flagged on Twitter, Facebook, and e-mail. Anecdotal data from several cinemas on The Undefeated‘s first night in a very limited national release suggests a strong opening day for the Sarah Palin documentary, even though it opened against the latest and last Harry Potter film: Just on the face of it, it would seem to have been the biggest risk in marketing history to roll out a documentary about a politician with less than stellar poll numbers on the same night...