In case you've forgotten, "Al Gore was vice president of the United States from 1993-2001." The Washington Post's Ezra Klein delivers that news in setting up an interview with Gore, who is known these days mostly as an alarmist advocate of global warmism.

Gore uses the interview to claim vindication for his 2006 "documentary," "An Inconvenient Truth": "You mentioned my movie back in the day. The single most common criticism from skeptics when the film came out focused on the animation showing...