we see today. a year later then vice president biden was welcomed at the pope s invitation to speak about cancer research. we know these two have kept in correspondence. joe biden quoted from it on the campaign trail, a stark break from john f. kennedy who took pains to establish his independence from rome. the president leaving momentarily it would be a significant gesture if he were to be joined by pope francis on the way out. this is the easiest meeting the president will have. from here he goes on to the presidential palace. the prime minister later and later today a fence mending meeting between him and emmanuel macron. that australian nuclear submarine deal caused a rift.