soon, president biden will welcome south korea s president to the white house ahead of a critical meeting. biden and president yoon suk-yeol set to roll out a new plan to boost u.s. and south korean cooperation amid north korea s escalating threats. our correspondents are covering this meeting from washington to korea. cnn s arlette saenz is joining us from the white house. cnn s jeff zeleny is in washington, d.c. for us and paula hancocks is live from seoul, south korea. let us start with arlette. can you tell us what is happening at this hour? we heard the band playing the last time we spoke to you not too long ago. what s going on there now? sarah, any minute now we are expecting south korean president yoon arriving at the white house setting off the pomp and circumstance that president biden is holding for him, but it also comes as the two leaders are set to announce a significant agreement when it comes to efforts to try to deter north korea s nuclear capabilit