Fr. Paul Keller answers:
Are Protestants members of the New Covenant?
How is the Holy Spirit coequal to the Father and Son?
How can one get a plenary indulgence without having to make a pilgrimage to a holy place?
Why does the priest break off a piece of the host and drop into Precious Blood? Why does the priest elevate the host above the chalice?
Why does Jesus say he is the son of man?
How it does the Holy Spirit pertain to other faiths?
Is cohabitation inherently immoral or immoral because it leads to sexual activity?
What is the rosary?
Is hell eternal? If so, how can a finite problem create an eternal punishment?