As a visual analogy, fair or unfair? Predictive, misleading or a warning?
(image: Robert Maass/Corbis. 1988. from NYT Kerry/Bush debate preview: In Presidential Debates, a Duel of Wits and Styles. caption: "HEATED DEBATES In 1988, when Dan Quayle suggested that his political experience was comparable to John F. Kennedy’s, Lloyd Bentsen shot back: "Senator, I served with Jack Kennedy. I knew Jack Kennedy. Jack Kennedy was a friend of mine. Senator, you’re no Jack Kennedy.")