(NEWSER) - South Carolina Gov. Mark Sanford admitted today that he has been having an affair with an Argentine woman, Politico reports. “I’ve been unfaithful to be my wife,” the Republican said at a teary and rambling news conference in which he explained his mysterious absence. “It began very innocently,” Sanford said. "About a year ago it sparked into something more than that. I have seen her three times since then, during that whole sparking thing. And at that point, we went into serious overdrive in trying to say, 'Where do you go from here?'" More»