Too many Republican leaders are acquiescing to a poisonous "demagoguery" that threatens the party's long-term credibility, says a veteran GOP House member who was defeated in South Carolina's primary last month. While not naming names, 12-year incumbent Rep. Bob Inglis suggested in interviews with The Associated Press that tea party favorites such as former vice presidential nominee Sarah Palin and right-wing talk show hosts like Glenn Beck are the culprits. He cited a claim made famous by Palin that the Democratic health care bill would create "death panels" to decide whether elderly or sick people should get care. "There were...