Karl Keating answers:
Is sedevacantism schismatic or heretical?
Would Catholic presuppositionalism work? Is there such a thing?
How did we get from the 95 theses to the Protestant Reformation?
Why do Catholics have figures of prayer focus besides God, such as the saints?
The Bible does not contain an infallible declaration of what makes up Scripture — is there any tension between this and the concept of material sufficiency of Scripture?
Why are extraordinary ministers not permitted to give blessings?
If the Catholic Church is wrong about all the claims of Protestants, how could anything else be valid? How could I use this point to talk to Protestants about the faith?