Newsletter driven through Discourse

I think we could vastly simplify our whole newsletter business if we just added a Discourse category (say, Updates) which everybody could write to, and the editor team just took entries from.

@ben Could you give some guidance here? How do permissions work (could we grant all newsletter editors edit permissions for that category)? Is there something for moderation? Any other ideas how to improve this from the Discourse end?

Ping @ben.