president biden will kick things off here in london tomorrow where he will meet with british prime minister rishi sunak before heading twindsor castle for anagement with king charles. this will be the first time the two men are meeting since the king s coratn in may. they are expected to discuss climate issu which are a key priority for king charles. after the meetings in e ited kingdom, the president will tra lithuania, and then travel on the finland, to welcome and offer support to nato s newest member country. but really, that nato summit will be the centerpiece of president biden s trip here to europe. and at the top of the discussion, there will be russia s war in ukraine. the president is hoping that he can once again build and strength support and unity around ukraine and continue to secure these long-term security commitments to assist ukraine going forward. and additionally, one issue that s already served coming up to be a flash point at this summit is the prospect of