The easiest way to tell how someone is politically aligned is what information or source of information they are least critical of. Anything that aligns with how you think will most likely be the very thing you question the least.

To make sure that your mind is sharp and that you know the truth, you must be ready to question things that you assume to be true. You should continually test what you see as true to make sure that it is that indeed. Otherwise, you do not value truth.