It’s just shy of a year since Brett Kavanaugh took his seat on the Supreme Court. On cue, the New York Times on Sunday published a “previously unreported story” claiming that as a Yale undergraduate at a “drunken dorm party,” Mr. Kavanaugh had his pants down while friends pushed his genitals “into the hands of a female student.” The accusation is similar to Deborah Ramirez’s assertion last year in the New Yorker about another drunken Yale party.

What has happened since is familiar. No sooner is the “bombshell” story dropped...