But Callista's surrogate ambition a double-edged sword: Maureen Dowd
                                
                                
                                    (Newser) -
                                    Blame Newt Gingrich's  third wife Callista  for his relentless, Quixotic quest for the presidency, writes Maureen Dowd in the  New York Times . Where other politicians' spouses often appear beside them, looking on dutifully and quietly, Callista's "frozen attentiveness" is something entirely new, perfectly reinforcing her husband's...