John Henson had a great seat on the North Carolina sideline to watch his teammates advance in the NCAA tournament. The question is how long the Tar Heels will have to win without him, not to mention if his sore left wrist will heal enough to make him a factor in March at all. Tyler Zeller had 17 points and 15 rebounds to help North Carolina beat Vermont 77-58 on Friday in its NCAA tournament opener despite playing without its shot-blocking and rebound-snatching starter.