Americans like to insist that we are living in a postracial, color-blind society. In fact, racist thought is alive and well; it has simply become more sophisticated and more insidious. And as historian Ibram X. Kendi argues, racist ideas in this country have a long and lingering history, one in which nearly every great American thinker is complicit. Kendi chronicles the entire story of anti-Black racist ideas and their staggering power over the course...