CNN's Small Captive Audience

Recent TV audience numbers reveal CNN with about one-third the audience of Fox News. My only recent experience with CNN is as an unwilling, captive viewer.
When I go to an airport, CNN is on all the TVs in the passenger waiting areas. You can't change the channel to Fox News, or anything else, sadly. If you want TV, you are held captive to the CNN channel, and some of their shows can be painful to watch, even for a short while.
My other CNN experience is on the way to work in the morning at Cry...