Bias is fine so long as its clear as their editorial policy. Its when news tries to be 'fair' that we get problems.

I consider The Economist to be a perfect example of this. They are quite openly biased to supporting the virtues of free trade and free markets. No one thinks this is a bad thing and allows them to present that position quite freely. We all have biases and pretending that you can report on news impartially is silly and deceptive.