each of the powerful nations involved in nato and the g7 and the european union, each have a role to play. and the united states is always, as the late secretary of state madeleine albright said, the essential nation. and this kind of a scene playing out at the stadium was chosen in part because it is a place where refugees are getting a variety of services. they're getting warm meals. they're getting medical treatment as needed. they're getting some of the early sort of gift packages of some essential items that they need. they have an opportunity to interface with people who can help them get necessary paperwork and documents to begin the next stage of their transition to life in a temporary way outside of ukraine. so for the president, this is a way to see and meet with refugees and aid workers. and frankly, a safer location. they did not publicly say the president was going to this