Commentary When President Joe Biden, then still only a candidate for the presidency, promised to elevate a black woman to the Supreme Court if and when a vacancy occurred, he struck not only at the ideal of the rule of law, but also at the very possibility of human rationality itself. He was far from the first to do this, of course: In fact, anyone who advocates racial quotas in the distribution of public (or any other) offices does so. But still, his pronouncement was unusually foolish, cynical, or shameless. To allocate public offices by race, or any other demographic feature, is to promote the Lebanonization of a country and to imply that it commands no loyalty deeper than that of the groups of which it is composed. In Lebanon, the president, according to an agreement signed in 1943, is always a Maronite Christian, the prime minister a Sunni Muslim, …