Tar Heels endure close calls Posted Mar 8, 2014 North Carolina’s 12-game winning streak has had a variety of elements. Recently, it has been cluttered with close calls. The last three victories have come by a combined seven points. With that in mind, don’t expect the No. 14 Tar Heels to waltz into Saturday night's game at No. 4 Duke with an overconfident attitude. (Burlington Times News)