Voters making over $200,000/year (which is upper-middle class, except in NY, CT, and parts of CA) voted well over 50% for Obama. Will Wilkinson discusses the demographics of the election with Andrew Gelman, author of Red State, Blue State, Rich State, Poor State.
Among many other topics, he attempts to understand how formerly Repub states like NY, CT and California became Democratic. Also, a bit on happiness and "progress."
Video here.