the presence of joe biden as the u.s. president. part of his mission has been to restore trust among america s most important and reliable allies. vladimir putin next week in geneva, he hopes to present a united front of democracies. but at the top of the agenda today was attending sunday mass at a local catholic church in cornwall. and then they will go to windsor castle where they will take tea with the queen. her ma gmajesty has met every sitting president during her reign except for one. max windsor is standing by for that one. it is quite extraordinary that she has met 12 u.s. presidents.