CHAPEL HILL — Hubert Davis summed up the problems that he must fix after the loss at SMU in one word: defense.
That was the starting point for everything the No. 17 Tar Heels focused on last week, as Davis said they “worked on us” for most of the week before preparing for Saturday’s 6 p.m. home game (ACC Network) against Wake Forest.
The week off enabled extended video study, which Davis considers essential for a generation of players who need to see it to improve…