Coming up on Friday evening, comedian Bill Maher joins Piers Morgan in studio for a face to face interview that will prove equal parts entertaining and insightful.

The host of HBO's "Real Time with Bill Maher," the 57-year-old political commentator and comedian offers his perspective on the state of television programs, specifically cable news, of which he says allows for narrow-minded, and entirely biased thinking:

"When we didn't use to have these kind of places where you could retreat to your ghettoization of thinking, public discourse was the better for it because you had to hear a conflicting idea. Now you don't," he says, before referencing the network on which he was appearing in his criticism. "CNN suffers for that to a degree because it tries to play it down the middle, and people generally want to hear what they already believe in."

A well-known Democrat who supports the legalization of marijuana and same-sex marriage, Maher's real issue is with the hyper-conservative FOX News network, which he suggests isn't based in truth:

"Facts never get in the way of their talking points. And so for people who only listen to FOX News, they can wake up with Matt Drudge and have lunch with Rush Limbaugh and go to bed with Bill O'Reilly," he explains, listing a trio of powerful Republican voices. "That's all they're going to know, is what they hear there. And very often these people do not care what the truth is."

Watch the clip for more, then tune to CNN tonight at 9 for Piers Morgan's entire interview with Bill Maher.

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