“The very serious function of racism is distraction,” Toni Morrison argued in a lecture in Portland, Oregon, in 1975. “It keeps you from doing your work. It keeps you explaining, over and over again, your reason for being. Somebody says you have no language and so you spend 20 years proving that you do. Somebody says your head isn’t shaped properly so you have scientists working on the fact that it is. Somebody says that you have no…