The Rev. Donald Sanborn, now Bishop Sanborn, presents his opinion regarding the thorny question of the standing of post-Vatican II popes.

More commonly known as The Cassiacum Thesis, On Being Pope Materially attempts to provide a possible theological explanation and solution to the immense difficulty presented by post-Vatican II claimants to the See of Peter apparently holding to and professing various heretical doctrines.

Paperback. 88pp.