Yes and they should have done just that at Trent.  All the bishops from the North should have been invited and there should have been frank discussion of the 95 thesis.  Instead, that council had limited invitations.  There was no official Lutheran Church before this council took place.  I think we should recognize these fact today and begin the discussion with the Lutherans and quit putting false straw arguments in the way ---  such as only we have the Eucharist, or that their ideas about clergy are wrong, their ideas about marriage or ordination are wrong.  Of course the worst one is that all must accept the Roman Catholic ideas about reproduction.  We are off the track and should be willing to discuss our ideas openly with other Christians who are sometimes more on a better track.  We then could help others when they are off track.  What we are now doing is proclaiming that we know THE TRUTH.  We are insisting the impossible....