What does it mean to "act black" or "act white"? Is race merely a matter of phenotype, or does it come from the inflection of a person's speech, the clothes in her closet, how she chooses to spend her time and with whom she chooses to spend it? What does it mean to be "really" black, and who gets to make that judgment? In Acting White?, leading scholars of race and the law Devon Carbado and Mitu Gulati argue that, in spite of decades of racial...