IBTL
And to say:
1) Maybe Taconicus doesn't know about the meetings of powerful members because he/she isn't powerful and in the know. Maybe and maybe not.
2) I read the pin link and it's interesting how they traced the different pins. I was baffled at the mention of "illegitimate" and "rogue" chapters, though, but I guess it's important to keep track of those if you can.