If I may suggest a way to train yourself up on this, I’d like to suggest an approach which I learned from the writer Francine Prose in one of her composition courses.

The method is simply this: for half a year, every week, go and find the same news story from three different publishers and read all three versions.

Do this solidly 25 times and you will begin to see the outlines of exactly the set of skills that you need to objectively classify information that’s found on the Internet. This is a simple and highly effective training technique that uses the mass variety of news sites on the Internet for an educational purpose. Once you begin to see and compare the narratives underlying most “news”, they will be impossible to un-see