No, these two though mostly the first. I highly doubt that either one would have had positive karma on LW one year ago. I'm not only suspicious because of these comments though.
http://lesswrong.com/lw/mzw/link_a_rational_response_to_the_paris_attacks_and/cx9j http://lesswrong.com/lw/mzw/link_a_rational_response_to_the_paris_attacks_and/cwuz
Edit: these had higher karma when I linked to them, for reasons that are obvious in hindsight.
Yup, this comment by VoiceOfRa in particular is something I would pay most attention to. When I originally saw it, it was below the threshhold for comments, and had negative six karma. Next time I saw it, it had positive 4 karma. Since attention was drawn to it, it went to positive 2 karma. Still, I have a lot of trouble believing actual Less Wrongers went below the threshhold, then actually upvoted it to positive 4. I would be willing to bet quite a bit of money sock puppetry was involved.
Richard Kennaway has posted about an edit war on the wiki. Richard, thank you.
Unfortunately, I've only used the wiki a little, and don't have a feeling for why the edit history for an article is inaccessible. Is the wiki broken or has someone found a way to hack it? Let it be known that hacking the wiki is something I'll ban for.
VoiceofRa, I'd like to know why you deleted Gleb's article. Presumably you have some reason for why you think it was unsatisfactory.
I'm also notifying tech in the hope of finding out what happened to the edit history.