You know that whole Bill O'Reilly and Keith Olbermann rivalry that has the two foaming at the mouth on pretty much a nightly basis? Seems that there may be more to it than two giants egos attached to two giant heads. Howard Kurtz has a long and winding column about the feud and how it's pulled the boardrooms of NBC, GE, and News Corp. into a schoolyard-like battle of whining, taunts, and tantrums.