The Pope, a schoolboy and an unnamed American President are in a plane. Suddenly the pilot suffers a heart attack and the craft takes a nosedive. As the engines sputter, the three passengers try to stay calm.
'Well,' says the Pope, 'we have established that none of us can land this baby, so we're going to have to jump for it.'
'But there are only two parachutes,' says the boy, pointing to a pile of bundles by the exit.
Without hesitating, the American President rushes over to them, takes one and shouts: 'I am the President of the United States of America. I am the world's most powerful leader. And apart from that, I am the most intelligent President in the history of my country. I have a responsibility to my people not to die.'
With that, he leaps out of the plane.
Now the Pope turns calmly to the schoolboy and says: 'I am already old. I have already lived my life as a good person and a priest. There is a place for me in heaven. I insist you take the last parachute.'
'No need,' says the boy, 'America's most intelligent President has taken my schoolbag...'