UNC gave its fans an early Christmas present Saturday by playing cohesively on both ends of the floor and making a bunch of shots on its way to a 97-63 triumph over visiting McNeese State. The Tar Heels (9-3) settled the issue quickly with an impressive first half, stretching out an 18-6 lead within the first eight minutes and stretching the lead beyond 30 points (54-23) by halftime. (