I had similar issues running /r/ronpaul where there was a sustained, concerted effort by opponents to disrupt the conversation. One of said opponents went on to

I had similar issues running /r/ronpaul where there was a sustained, concerted effort by opponents to disrupt the conversation. One of said opponents went on to found /r/the_donald. It's fairly hard to ban people on a site where account creation is as easy as it is on reddit. Moderator tools have improved a little since, but remain inadequate for dealing with sustained brigading.