Back Stab Sarah Palin As Portrayed By Her Disloyal Staff. MAR 19, 2012, VOL. 17, NO. 26 • BY JOHN PODHORETZ Nicolle Wallace was the onetime consultant to CBS News and media aide to George W. Bush who was assigned to work with Sarah Palin after the Alaska governor was chosen as John McCain’s running mate. It was Wallace who assured the McCain campaign that her dear friend Katie Couric, a committed liberal with a history of interviewing Republicans and conservatives in a quietly nasty way, was the right journalist to conduct a major early interview with the extremely conservative...