ON THE STUMP: Mitt Romney talks to reporters after the We the People Presidential Forum at a VFW Post in Hudson, N.H., on Sunday. The rise of challenger Newt Gingrich has stirred up the Romney super PAC, Restore Our Future. (Associated Press)

ON THE STUMP: Mitt Romney talks to reporters after the We the People Presidential Forum at a VFW Post in Hudson, N.H., on Sunday. The rise of challenger Newt Gingrich has stirred up the Romney super PAC, Restore Our Future. (Associated Press)