O n Monday, Pope Francis died at the age of 88. Attention has already turned to who will succeed him . But anyone who claims to know who the next pope will be is just speculating. Even the most savvy and knowledgeable expert can’t offer more—thanks to the secretive nature of the selection process. For roughly 750 years, the College of Cardinals has chosen popes at closed conclaves where participants are locked in and completely cut off from the outside world. Every cardinal and anyone else