Interactive RSS

Like or not, I find myself using Facebook, reading stories and rating articles "I Like" or "Dislike". I would rather read this feed in my RSS feed then log into FB constantly, but then I lose the ability to rate stories.

How about a supplement to the RSS standard which would allow a user to vote on/rate articles, tag them (not just locally in his feedreader), and generally send information back to the RSS info supplier? I'm guessing this might benefit both content supplier and user. In said Facebook example, today if I have a smart enough RSS reader maybe I can rate articles, but this rating is separate from Facebook's internal rating system.