You might want to contact his advertisers because the left plan on contacting them to complain about his show.
This made me laugh:

First and foremost we ask that you prove O’Reilly wrong, that we are not hate-filled nor barbarians. A quick note observing that Bill O’Reilly fosters divisiveness and demonizes people with whom he disagrees ideologically, most recently equating millions of liberal DailyKOS readers to Nazis and KKK members, should do it.

Pot meet kettle. What the heck do they think the left has done to Fox for years. Give me a bleeping break!