I think I would cope like anyone copes with any tragedy. I'm sure I would be very upset for a while and then there would come a point where I would either have to stay in this place of darkness and anger or I'd have to accept that it happened.
Nearly all the powerful people of this age are unbelievers the best of them in doubt and misery the most in plodding hesitation doing as well as they can what practical work lies at hand.