The U.S. Supreme Court's ruling that new haven, Conn., violated 20 white and Hispanic firefighters' rights by scrapping a promotions test that few black candidates passed leaves city officials in a bind. Lose the test and you punish those who aced it. Keep it and you risk leaving intact a lack of diversity at the fire department's senior levels.
The case, Ricci v. DeStefano, is renewing debate over affirmative action, not least because it reverses a judgment signed off on by Supreme Court nominee Sonia Sotomayor. But the controversy over such programs goes back decades. It was President Lyndon Johnson who...