I like O'Reilly, he's entertaining, and some (not all) of the debates they have are good.
I find the rest of Fox to be a little too sensationalist for my tastes, but that doesn't mean I go and watch MSNBC or CNN either....
Also, a "right leaning" news station would be considered "niche"??
Since when would the "right leaning" segment of the population be considered small enough to be niche? Methinks you are forgetting that internet political demographics != real life political demographics.









