President Lee Jae Myung returned to Seoul on Saturday after a five-day diplomatic tour that took him from a NATO summit in Turkey to a state visit to Mongolia, underscoring his effort to position South Korea as a more consequential player in both Euro-Atlantic security and the emerging geopolitics of Eurasia. The journey also served as a bridge between Lee’s immediate foreign policy priorities and a broader strategic vision. From NATO to Mongolia, the trip underscored his effort to deepen South