Ukraine’s membership in NATO cannot be negotiated during the summit, because its movement toward membership is irreversible, says President of Estonia Alar Karis. At a press conference after his meeting with Lithuanian President Gitanas Nausėda, Estonian President Alar Karis said that the most important topics of the NATO summit will be effective and long-term support for Ukraine during the current hot phase of the war and beyond, as well as strengthening NATO’s defense capabilities. “NATO must send a strong signal that it will support Ukraine as long as necessary. Ukraine’s membership in NATO…