UNC wins big as offensive line tries to work out issues

By R.L. Bynum CHAPEL HILL — Carolina rebounded from a frustrating opening-game loss, but the Tar Heels’ offensive line showed that it’s still a work in progress. UNC’s offense got off to a hot start in Saturday night’s home opener and scored 28 points in a nine-minute second-half stretch. But the Tar Heels’ inability to …