A freshman member of Congress who attracted national attention when he called Barack Obama the worst president ever walked back his claim a bit on Wednesday, describing him as “one of the worst.” Rep. Ben Quayle, an Arizona Republican and son of former Vice President Dan Quayle, said in an interview with ABC News that Obama’s fiscal and foreign policies “alone would put him up there in one of the worst.” While campaigning in his party’s primary last August, Quayle released an ad in which he called Obama “the worst president in history” and promised to “knock the hell out...