Education has always been a powerful predictor of what people know about public affairs. A study I missed somehow from a couple of years ago probes this relation ship and find some interesting stuff. As the authors note:
Our analysis has shown that the relationship between education and knowledge varies along with changes in the information environment. Increases in newspaper coverage primarily benefit the highly educated, thereby reinforcing the relationship between education and knowledge. By contrast, increases in the volume of television coverage benefit the least educated, in absolute terms, almost as much as the most educated.
How do we fix this? How about providing more information? Nope. The authors write:
Simply providing more information is likely to reinforce the knowledge gap that exists between people with low and high levels of education.
Cable news, CNN and Fox and all the rest, aren't much better. As newspapers die, I'm afraid for many, so will political knowledge.