Sluggish Tar Heels recapture spark Posted Jan 7, 2012 At some point, forward John Henson knew coach Roy Williams was going to start yelling. The warning signs were there in the second half Saturday afternoon against Boston College. The lack of discipline the third-ranked Tar Heels showed on defense. A 20-point lead the Eagles had trimmed to nine. And a home crowd at the Dean Smith Center that grew restless. (Raleigh News & Observer)