Now with an updated Afterword -- in which the authors show how the 2006 midterm elections and the Democratic takeover of Congress validate their argument about regional divisions and why and how they will dominate the 2008 presidential election -- "Divided America" tells the biggest story in American politics today: how new regional divisions are tearing the country's politics apart, turning both major parties into minority parties and encouraging angry constituencies to wage increasingly nasty wedge-issue campaigns.