Politics: Was what Al Gore called "the largest global entertainment event in all of human history" also the largest in-kind political contribution? And where's the Fairness Doctrine when you need it? Considering that here in the U.S. the Peacock Network's three-hour Gore infomercial on global warming lost out in the ratings to "Cops" and "America's Funniest Home Videos," Gore's claim may be open to question. Live Earth, in fact, may have been America's funniest home video. Ever. But thanks in large part to the 75 hours of free airtime that NBC gave Gore on its various stations, starting with NBC...