mccarthy to discuss both russia probes. first, the biggest stories of the week from the congress, white house, and pentagon with francesca chambers, heather cable, and courtney kube, the pentagon and national security for nbc news. let me begin with you, courtney. in the volcano explosion of news around the president s comments about various places around the globe, you have been covering north korea. fill us in. we saw for the first time in years north korea and south korea down along the dmz and they had a discussion. it was supposed to center primarily around the olympics. it started a week ago when kim jong-un gave his new year s day speech and made an overture to the south and said he was interested in talking to them about sending a delegation to the olympics. so far only two north korean athletes have qualified to go, some figure skaters.