McCain and Palin fired up their base, but they’ll need to attract independents and some Democrats to win.
His lead in North Carolina is dwindling, but he's closing in on Senator Clinton in superdelegates.
The former first lady's imposing national lead among Democratic voters faded leading up to the 22-state sweepstakes.
The black vote was key to his decisive win Saturday. To be competitive in the Feb. 5 sweepstakes, he'll need a broader coalition of independents, young people, and affluent whites, analysts say.