Possible Clues:

• Rome presidential palace facade scratched for a laugh
• Francis's responsibility under discussion — quite understand
• According to Spooner, only that man Francis lives here
• Roman Catholic bishopric of Rome
• Office of the pope
• Sovereign state within Rome
• Matt sadly deserts crumbling stately home -- one for a cleric?
• Case of lady entering tube, heading for Earl's Court
• 'Yes' to reform adopted by ugly place, a small state
• Vatican report 'entirely groundless'