February. see right there, exchange of flowers. ar let signs is at the white house. kate bennett joins us from traveling with the first lady. kate, what do we need to know about this visit? reporter: well, we re back in slovakia tonight. earlier today we made the surprise trip with the first lady into the south western corner of ukraine. a 15-minute drive from the border. besides the trip on mother s day, the biggest surprise was the first lady of ukraine. they ve exchanged correspondence, and meeting today was a big deal. not only is a first lady going into an active war zone. this is also the wife of the president of ukraine who has tried to keep under cover. the public has not seen her. the two women together on mother s day.