The United States is a big country, but its population is anything but homogenous. For its entire history the people of its various regions have clashed over everything from politics and economics, to religion and cultural norms. But why? Today on MindMatters we discuss Colin Woodard's book American Nations: A History of the Eleven Rival Regional Cultures of North America, inspired by the earlier work of David Hackett Fischer. The current cultural landscape of North America traces back to...