(Language in this article may be offensive to some readers) Washington (CNSNews.com) - The author of a book denying the existence of a liberal media in America declared that the right wing media "machine" is now so powerful that it acts as "a steamroller" of liberal ideals. Eric Alterman - author of What Liberal Media? - appeared at a workshop called "Reversing the Right's Hold on the Media" on the final day of the three-day "Take Back America" conference sponsored by the Campaign for America's Future, which states as its goal pushing the Democratic party to the left. Alterman said...