They can't give an answer, they just say Fox Lies, which basically means they don't want Americans to hear both sides of an issue.
They do the same thing to Rush.
Lib: Rush is a liar.
Me: What has he lied about.
L: He lies about everything!!!!!
M: Ok, tell me just one lie.
L: Uhhhh, I can't think of one, but he has told so many lies.
M: Well, if there are so many to choose from, tell me just one.
L: **** you!