> We are trying to establish a process, using two "companion" lists, that
> will allow some subscribers to elect to participate in an unmoderated
> discussion and some subscribers to participate in a moderated discussion
> (and some to get the same posting from both lists if they *really* want
> to).

You have me confused as to your needs.
Why not just the two lists and let them subscribe to either or both as they
choose? Wouldn't that accomplish what you want without all the BS?