At the heart of our divisions is almost half a century of rising inequality and declining social mobility. Americans tolerate more economic inequality than citizens of other modern democracies: if anyone can become anything, today’s unequal results are fair and might well change tomorrow. That was never completely true, but now it’s plainly false.

Obama is a product of this elitist system. So are his degree-laden cabinet members. They come out of Harvard, Yale, Wellesley, and Princeton. Their friends and classmates made huge fortunes on Wall Street and in powerful law firms. They go to the same class reunions. They belong to the same clubs. They speak the same easy language of privilege, com