[Excerpt] To highlight the gravity of this situation, take for instance the Church’s teaching on receiving the Eucharist: Anybody instilled with basic Catholic teaching knows that someone in a state of objective mortal sin cannot receive the sacrament. Any teaching contrary to this demands immediate clarity from the highest office of the Church. This is one of the glaring issues at hand. If this exception is allowed, logically our Catholic faith quickly unravels. It would lose its basis and its substance, plain and simple. Every catechized Catholic knows that.
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