After nearly a week on the defensive, CNN's John King reports tonight that Newt Gingrich's claim about offering witnesses to ABC News in his defense — to rebut the network's interview with his second wife, Marianne Gingrich — was not true. "Tonight, after persistent questioning by our staff, the Gingrich campaign concedes now Speaker Gingrich was wrong — both in his debate answer, and in our interview yesterday," King said on tonight's edition of John King USA. "Gingrich spokesman R.C. Hammond says the only people the Gingrich campaign offered to ABC were his two daughters from his first marriage." An...