Prime Minister Shigeru Ishiba actively interacted with foreign dignitaries who visited Japan to attend the 2025 World Exposition in Osaka. During the six-month period of the Osaka Expo, which ends Monday evening, a total of about 90 foreign heads of state and government leaders traveled to Japan mainly to participate in their respective "national day" events. Ishiba met with some 50 of the foreign leaders in what is called "expo diplomacy," with the topics including measures to strengthen