Tube of Plenty: The Evolution of American Television, 2nd EditionBased on the classic History of Broadcasting in the United States, Tube of Plenty represents the fruit of several decades' labor. When Erik Barnouw premier chronicler of American broadcasting and a participant in the industry for fifty years first undertook the project of recording its history, many viewed it as a light weight literary task concerned mainly with entertainment trivia. Indeed, trivia such as that found in quiz programs do appear in the