The execution during the second half of Tuesday’s Duke-Carolina was poor. There were some very sketchy turnovers and players did not display good awareness of the time and score situation. Case in point, the Heels were down three with about eighteen seconds to play. Two-for-one is a viable strategy but you need to go for the quick two quickly. Instead, Carolina ran around with like chickens with their heads cut off, tried a two with mere seconds remaining, missed, and fouled. Carolina had used their last timeout after a score to set the defence. They executed good ball pressure and …