It is like President Obama writting a article about living in the white house. His point of view would be biased. Since he lives their.
Actually it would mean it has a great chance of being correct because he speaks from experience. I would take his article about living in the white house over the same one written by.. oh, say,.. you. Biased would mean he favors one condition or another. You have to work on your analogies.. that one wont fly.