The media revolution has reached a new and important stage: The American public is being let in on the discussion. In the last two weeks' articles in the New York Times and Time Magazine have helped push the question of "whither news media" before a much bigger audience. I say it's about time. Of course, it's not as if the industry's increasingly dire business outlook has been a secret. The Chapter 11 bankruptcy filings of the Tribune Co. and the Minneapolis Star Tribune were plenty telling. So was the Detroit newspapers' decision to limit home delivery to three days a……