You have to watch all the way to the end, to read the small print...
I know he's liberal, and most of the time I don't watch, but he will sometimes turn his lens on the left and make fun of the progressives with as much passion as he makes fun of neo-cons.
I decided I liked him in the first season of his show when he made fun of a Democrat in front of what was obviously an audience made up of Democrats, prompting an "ooooohhhh" of condemnation from his audience.
Stewart looked up at the audience with a smile and said:
"Not so funny when it's your guy, huh?"