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For all the good things to come out of the beatdown at Cameron, there's one glaring issue: three-point shooting.
UNC has plenty of guys with the ability to knock down three-pointers at any time. Barnes, Bullock, Hairston and Marshall have shown that when they need to hit threes, they are certainly capable.
However, consistency has been the issue. North Carolina doesn't have anyone shooting over 40 percent from downtown. The closest is Barnes at 39.6 percent, with Bullock not far behind at 38.6 percent.
The real problem is Hairston.
Dick Vitale pointed out that Hairston is one of the best shooters Roy Williams has ever recruited during ESPN's broadcast of the Duke game, but the results just haven't been there. Both he and Bullock get plenty of chances during the course of the games but don't always convert.
If Hairston and Bullock can consistently find their strokes before the tournament starts, that added dimension of their offense would make the Tar Heels even more of a threat to teams like Kentucky and Syracuse.
If they don't, then the Tar Heels can face some problems come tournament time. Although if they play 48 minutes of basketball like they did against Duke, they can beat anyone in the country.
Follow Bill DiFilippo on Twitter @bflip33.