"Amoris Laetitia is very clear in its doctrine and we can read into it all of Jesus' doctrine on marriage, all the doctrine of the church in its 2,000 year history."

Müller said the pope is asking the church at large "to discern the situation of persons who live in an irregular union ... and to help these people find a way for a new integration in the church according to the conditions for the sacraments."

Well, there's really no problem then and Pope Francis shouldn't have a problem answering the 4 Cardinals and confirming the teachings of Pope Saint John Paul.