College buddies Ian Cheney and Curt Ellis traveled to Iowa farm country to explain how one grain, corn, has become an ubiquitous part of the American diet. From growing a single acre of genetically modified corn through observations by local farmers to g overnment farm subsidies, Cheney and Ellis study the food that conquered America - and the consequences of that conquest. Letterboxed; DVD includes deleted scenes, featurettes, music video, trailer. Filmmaker Aaron Woolf. Mosaic Films Incorporated.