If you're worried about the growing economic inequality in American life, if you suspect that there may be something unjust as well as unpleasant in the spectacle of the rich getting richer and the poor getting poorer, no cause is less worth supporting, no battles are less worth fighting, than the ones we fight for diversity…

Our identity is the least important thing about us. And yet, it is the thing we have become most committed to talking about. From the standpoint of a left politics, this is a profound mistake since what it means is that the political left -- increasingly invested in the celebration of diversity and the redress of historical grievance -- has converted itself into the accomplice rather than the opponent of the right.