he is now greeting the official welcoming committee there. he is going to be meeting tomorrow with the poland president, as well as meeting with some refugees who have crossed into poland from ukraine. and then he'll be making an address to the polish people and the world, of course, about the current situation in ukraine, what the united states and allies and nato and the european union are planning to do about it. yesterday when he was at nato the president saying that nato continues to be united in a way that vladimir putin never expected it to be. there is also unity among the nations of the european union. if there is any kind of a split, it's that some members of nato and the european union don't think that nato and the e.u. are doing enough to counter the threat from vladimir putin. so we'll continue to watch that, gillian. >> gillian: new at 2:00, with president biden in poland for a first land look at the growing human-year crisis on the ground,