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The red-blue split is largely explained by geography - not culture. Might it be that Obama's urban liberal platform doesn't take into account rural folks' different political preferences when it comes to taxes, national defense, and social policy?
The real problem for Obama and the Democrats is articulated in this article from London's Financial Times: http://www.ft.com/cms/s/0/f1984d88-7cd5-11dd-8d59-000077b07658.html