Karl Keating answers:
Is it necessary to have wine instead of grape juice for the consecration?
What is the bottom-line truth in the Catholic Church — the pope, the Bible, other writings, Tradition, or something else?
Do you have any resources I can use in debating same-sex marriage in a philosophical way?
Where was St. John the Apostle buried?
How do I talk to a fellow Catholic who questions Lent because it is not in the Bible?
How can the New American Bible and the Douay Rheims Bible both be approved by the Church but also have such different footnotes?
I heard a very anti-Catholic report about the pope on a Lutheran radio station — how should I approach the station about this?