The cultural and demographic gulf between the Republican and Democratic electoral coalitions can now be measured not just in space, but time.
Today, the two parties represent not only different sections of the country, but also, in effect, different editions of the country. Along many key measures, the Republican coalition mirrors what all of American society looked like decades ago. Across those same measures, the Democratic coalition represents what America might become in decades ahead. CONT.
Ronald Brownstein, National Journal