Fifty years ago today, Martin Luther King, Jr., spoke these immortal words: “I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character.” He would have been mystified, one imagines, by the question presented in Schuette v. Coalition to Defend Affirmative Action: “Whether a state violates the Equal Protection Clause by amending its constitution to prohibit race- and sex-based discrimination or preferential treatment in public-university admissions decisions.”