White House senior adviser David Axelrod said the president won't rule out a health care reform bill that includes a middle-class tax hike. "The president had said in the past that he doesn't believe taxing health care benefits at any level is necessarily the best way to go here. He still believes that," Axelrod told me on This Week, "But there are a number of formulations and we'll wait and see. The important thing at this point is to keep the process moving, to keep people at the table, to the keep the discussions going. We've gotten a long way...