By Daniel Bates The North Carolina Tar Heels did it. In the unlikeliest of scenarios, UNC handed No. 4 Duke a loss and sent Mike Krzyzewski out of his final game at Cameron Indoor Stadium with a loss. What a win for North Carolina, who will likely enter the ACC Tournament as a three seed with the win over their most hated rival. Four of the UNC’s five starters finished with 20 or more points. Big man Armando Bacot led the way with 23 points, while sophomore guard R.J. Davis really helped lift the Tar Heels by playing every minute of the second half, hitting some clutch buckets in the process. …