Whenever the former Kentucky center’s mind wanders to last year’s dismal 73-66 loss to West Virginia in the NCAA tournament’s East regional final, Cousins tosses and turns as images of missed shots and missed opportunities replay in his mind. “When I think about it I can’t sleep at night because we should have won that game,” said Cousins, now a rookie center for the Sacramento Kings. Instead, the Wildcats walked off the Carrier Dome floor at Syracuse…