Since the Pope makes direct reference to the need for "a sincere and rigorous dialogue with those whom, like you [i.e. Scalfari], describe themselves [as] “a non-believer for many years interested and fascinated by the preaching of Jesus of Nazareth”, it seems like a good topic for a Sea of Faith evening.
The Pope's letter, in an English translation, can be found at the link below.
Don Cupitt has kindly made a few notes for us that he has said we can use at the meeting. Please click on the following link to get a pdf copy of these notes:
The meeting takes place on Wednesday 5th March, 2014, in the church hall of the Memorial (Unitarian) Church,Cambridge and will start promptly at 7.30pm and finish at 9.30pm.
Memorial Church (Unitarian)