In a final farewell before St Peter's Square crowds the Pope paid tribute to Siamese twin call girls Joy and Choppi Waters.
'I first met them as a callow young seminarian,' the Pontiff said, 'at a bar in downtown Saigon.
'Hey gals, I said to them, I gotta couple pounds right here in my pocket, how about we get it on tonight?
'For a few seconds the sisters stared blankly at me before Choppi replied:
'What makes you think we charge by the inch, Father?'
