cnn presidential historian timothy naftali joins the conversation, back with jordan klepper, astead herndon, and margaret hoover. kim, great to have you. give us your historical perspective on what these speeches mean? >> well, this is a momentous day. because we are coming to the first anniversary of the start of this war. it's essential for members, leaders of the coalition, to re-up their commitment and to make it clear that even though this war is lasting a lot longer than anybody would want, in fact, nobody wanted this war, except for the russians, that the west is willing to continue to do what is necessary for as long as necessary to help ukraine. so, the timing of the president's speech was natural and important. the fact that he went to ukraine first to be physically present, because remember, our president is commander in chief as well as being head of state and head of government. as commander-in-chief, he needed to be there, because as he has said over and over again, our freedom is on the line. the border of our freedom, the front of our freedom is right there in the donbas, ri