If you want to have a fun time with this, break it down by title keywords (e.g. politician names). You can get a very good break down of political bias by news source.
In a more automated way, you can extract all keywords from your titles, and then auto-extract the top keywords that are the most dividing.
(Source: former Google News TL, we used to have way too much fun doing stuff like this)
In a more automated way, you can extract all keywords from your titles, and then auto-extract the top keywords that are the most dividing.
(Source: former Google News TL, we used to have way too much fun doing stuff like this)