(Previously: 1 | 2 | 3 | 4) – – – O.K. o.k. so we’ve been ultra delinquent with keeping on top of the PF3 puzzle, and for that we heartily apologize. But here we go – the proverbial home stretch. As it stands what did happen was that somewhere in the conversation, in the comments, in the hypothesizing, the answer was indeed found. However, in a manner that some might say happens also in the scientific process, the answer when proclaimed was done so in a way that didn’t really reflect a full on “aha!” moment. Truth is, it…