Lee Roberts meets me at the University Club of San Francisco on a Friday morning, hours before his football team will lose to Cal in heartbreaking fashion – a fumble at the goal line, because little about the University of North Carolina at Chapel Hill’s expensive experiment with Bill Belichick has gone according to script. But Roberts, the Chancellor of UNC, doesn’t know this yet. Right now, he’s in California to talk about artificial intelligence, which is both forward thinking and also – I’d