With his role as an ESPN analyst, look no further than Bob Knight for an example of the pathology of college basketball coaching. Who is this guy? Free of the pressures of winning, he seems to have undergone a personality transplant. He can't be the referee-bullying, chair-tossing former coach at Indiana, can he?

Charlie Sheen's appearance on CNN is a study in social media's impact on TV. Once he began his screed, Web conversations lit up -- and so did the ratings. Some 45 minutes into the show, viewership in the 25-to-54 demo -- an age range likely to be viewing and tweeting at once -- was up 61%.

As the co-CEO of MediaCom, Jon Mandel routinely spent $12 billion in ad dollars for clients. Upon leaving MediaCom, he eventually became CEO at NielsenConnect, charged with developing integrated services. Now, the well-known power broker has formed Dogsled Enterprises, consulting with research companies, content providers and packaged-goods marketers.

It's time for this month's Leaders and Bleeders. Brilliant creative on Chrysler's two-minute Super Bowl spot, while cord-cutting may be a boon for DirecTV, which added 289,000 net new customers in 4Q. Did we mention CBS' new revenue stream -- retrans?