I'm not an American but as far as I can tell the Liberal bias is created by the media staying the same and the country moving to the right. I don't really buy

I'm not an American but as far as I can tell the Liberal bias is created by the media staying the same and the country moving to the right. I don't really buy the idea that diversity of opinion is something to strive toward. Human opinion doesn't follow some sort of gaussian distribution, and there are opinions that are objectively objectionable.