"It is enough that there is full communion there. Something you and I presently lack. Let us not tear down what has already been joined together, by speculating about the strength of the relation, based on hypotheticals. Let us instead focus on *our* task, which is getting ourselves in full communion with each other."
I see RCIA left out the section on what communion means too. You and I are not in communion with each other now, nor will we ever be. My ancestors 1500 years ago were not in communion with yours, unless they were bishops. Communion is a relationship between bishops, A.
Another ad hominem.
Full communion is not merely a relationship between bishops, otherwise, Protestants (not having bishops) could never be brought into full communion with the Catholic Church. But Protestants can be brought into full communion with the Catholic Church. I myself (once a Protestant) was brought into full communion with the Catholic Church when I was received into the Catholic Church. Not only am I now in full communion with my bishop, but through my union with him I am now also in full communion with all other Catholics.
Again, I can't recommend the Catechism highly enough.
-A8