Duke head coach Mike Krzyzewski, right, argues a call with a referee during the first half of an NCAA college basketball game against Davidson in Charlotte, N.C., Wednesday, Jan. 2, 2013. (AP ... more 

Duke head coach Mike Krzyzewski, right, argues a call with a referee during the first half of an NCAA college basketball game against Davidson in Charlotte, N.C., Wednesday, Jan. 2, 2013. (AP Photo/Chuck Burton) less