Obama has unwittingly made his real beliefs clear. From time to time, Condoleezza Rice, Colin Powell, and Clarence Thomas have naturally talked about growing up African-American under far less tolerant conditions than those we take for granted today. Yet their biggest contributions to American race relations have been their admirable abilities to transcend such racial intolerance — to make being black incidental, not essential, at least in public, to their sterling characters and impressive achievements. They all paid a price for emphasizing individuality rather than adhering to identity politics. Those on the left often criticized them as somehow inauthentic,...