Is anyone else having problems replying to posts?

So, maybe it's early and I am being dumb, but I don't have the option to reply to posts if other users have already replied. I can start a discussion if no one else has, but if someone else has already posted a reply I can't post my own (new unique one). I still have author privileges and post a new post (obviously).… » 6/07/13 10:33am 6/07/13 10:33am