The history that Democrats have forgotten - Larry Summers

And for their failure to learn from history they are and will pay dearly.  The end of the Democratic coalition is nigh.  Killed by the existential greed of an attractive but feckless ideologue and his Chicago style machine sponsors.  It should be fun to watch.  I'll bring popcorn.

Greg Mankiw points to this Charlie Rose interview with Larry Summers, which includes this very good quote (starting around 21:50):

Never forget, never forget, and I think it’s very important for Democrats especially to remember this, that if Hitler had not come along, Franklin Roosevelt would have left office in 1941 with an unemployment rate in excess of 15 percent and an economic recovery strategy that had basically failed