What do you think bothers liberals the most about Fox News?

Is it because Fox dominates the rating to an absurd rate? Just how dominant is Fox News? Consider this: its morning show, "Fox & Friends," draws more total viewers on average than the top-rated NON-Fox show in cable news, MSNBC's "Countdown", which comes in at number 14. The top 13 are all on Fox. Or is it because the Fox has replaced all the other major networks ( ABC, NBC,CBS,CNN) and the liberal print media, as the source that a vast majority of Americans tune to to get their news? By the way, the link is from the Huffington Post