joining us now nbc news chief white house correspondent kristen welker and michael crowley, "new york times" diplomatic correspondent kristen, let's start with you at the white house. look at all that's laid out behind you we are expecting to see the president any minute now walk us through the important of this visit and what we can expect to unfold. >> reporter: hi, ana, it is to good to be with you as the pomp and pageantry gets underway here on the south lawn as we await these two leaders. this is the first official state visit since president biden welcomed president macron of france last year it's the first time that the u.s. is hosting the leader of south korea in an official capacity, a state visit, since the clinton administration it really underscores the significance of this relationship, and they are marking a 70-year alliance between the u.s. and south korea, and of course critical issues will be front and center. north korea being at the top of that list with president biden and the president of south korea expected to announce a new deterrence agreement the u.s. poised