North Carolina will have a very stressful 40 or so hours as they await their NCAA Tournament fate. With the chance to really put a stamp on their resume and leave little doubt, the Tar Heels fell short against Duke due to a late-game blunder.

North Carolina had a prime chance to strengthen its case for March Madness. Instead the Tar Heels crumbled again and should miss the NCAA Tournament.

As we enter what's sure to be a wild weekend of college basketball action, here's a true/false breakdown of some pressing bracketology questions: North Carolina needs to beat Duke

Kon Knueppel scored 17 points and No. 1 Duke held off a furious second half rally by North Carolina to beat its rival for the third time this season, 74-71 on Friday night to reach the Atlantic Coast Conference Tournament championship game.

North Carolina's furious comeback against Duke in the ACC Tournament semifinals came up short after Jae'lyn Withers committed a lane violation on teammate Ven-Allen Lubin's successful second free throw attempt — which had it counted, would've tied the game at 72 with seconds remaining.