MUNCIE, Ind. - Hillary Rodham Clinton's flagging campaign has been given new life in Pennsylvania and beyond after Barack Obama was forced into a second day of damage control Saturday for calling small-town Americans "bitter." Clearly sensing the opening, Clinton pounced on Obama's comments in some of the harshest language of the campaign Saturday, blasting her rival as "elitist" and "out of touch." For his part, Obama opened the day by acknowledging only that he chose his words poorly. But by midday -- and his fourth attempt to clarify his statement -- the senator had moved closer to contrition, expressing...