Earlier this week, I entered into an interesting discussion on a supposed series of visions and devotions, propagated by a 'seer' named Maria Divine Mercy.

The Church in Ireland and even authorities abroad have condemned the messages as being inconsistent with Catholic doctrine. Yet, people continue to promote, follow, and practice the visions and devotions associated with MDM: prayers, "seals", medals, and so forth.

The excuses often given are that the Pope is not the Pope, the bishops have lost their authority, and that solely Christ and Mary...