Wednesday morning, House Ways & Means Committee Chairman Charlie Rangel announced he would be temporarily stepping down as leader of the panel. What changed since last week, when Nancy Pelosi and Rangel downplayed the allegations. We talk with Texas Rep. John Carter, who has led the GOP effort to strip Rangel of his role as chairman. Why did Carter take the lead in this effort? Was this a move based on principle or politics? And why does Carter worry that stories like this sully all members of Congress in the eyes of the public?