Industry News New fall primetime shows hanging in there despite lukewarm ratings 10/10/2006 Lukewarm ratings for the fall primetime lineups have been a concern for U.S. television executives who are nonetheless not ready to throw in the towel. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Vanished Friday Night Lights Six Degrees