The papacy is not, in theory, a man-made office at all. Its holder is chosen for life, by God himself, to hold the keys of Peter and to be the vicar of Christ on earth. This is yet another of the self-imposed tortures that faith inflicts upon itself. It means that you have to believe that the pope before last, who held on to the job for a matter of weeks before dying (or, according to some, before being murdered) was either unchosen by God in some fit of celestial pique, or left unprotected by heaven against his assassins. And...