> posters can vote and downvote how well the source(s) support the claims (claims themselves are not voted/downvoted). Great idea, however I'm not sure how to

> posters can vote and downvote how well the source(s) support the claims (claims themselves are not voted/downvoted). Great idea, however I'm not sure how to make so that the first doesn't degenerate into the second, especially about sensitive issues... Hmm, maybe this is one of the cases where prediction markets can work ?