Citation needed. I've never talked to him (or, for that matter, the person that said they know all the parties involved).
However if I do provide sources (articles written by you and/or rooshv), tweets, whatever, then there is the implication I'm "stalking" you or him. I'd rather not get involved in any such drama.
To be clear, by history I meant that the two of you have both written/talked/tweeted about each other (in generally negative ways). My intent there was to agree with the person who commented about how this whole situation is a "shit sandwich".