Iowa Caucus Documentary's Real Stars Are Ordinary Americans Who Get First Pick Of Presidents

The first few moments of "Caucus," a new documentary from filmmaker A.J. Schnack, make clear it is not only a film about the politicians who took part in the 2012 Iowa caucus. It is also very much about the ordinary Americans who took a few moments to try and make sense of the cacophonous spectacle passing through, as they went on living their everyday lives. The opening frames: fathers hold their daughters as they careen down a slide at the Iowa State Fair on potato sacks. Mothers push stroller...