Rick Shenkman, Emmy Award-winning investigative reporter, New York Times bestselling author, and associate professor of history at George Mason University, is the founder and editor of History News Network, a website that features articles by historians on current events. This essay is adapted from chapter two of his new book, Just How Stupid Are We? Facing the Truth about the American Voter (Basic Books, 2008). His observations about the 2008 election can be followed on his blog, “How Stupid?” His recent appearance on Jon Stewart’s “The Daily Show” can be viewed by clicking here.