College Basketball is known for the March Madness brackets — but not for obsessive statistics keepers. That's usually baseball's territory. Well, Ken Pomeroy is trying to change that. He runs the site kenpom.com. And if you want to know the offensive rebound percentage for any NCAA player or a team's turnover percentage, he's your guy. NPR's Melissa Block talks with Pomeroy, who's a meteorologist by day.