Challenged by teammates and coaches at Syracuse, Seth Trimble turned a locker room call-out into his most assertive stretch of the season for North Carolina. CHAPEL HILL — Seth Trimble was off. He knew it. His teammates knew it. And his coaches knew it. Trimble was scoreless on one shot in the first half against Syracuse. In the locker room at halftime, the senior captain was called out by freshmen, first... [3476 chars]