President Lee Jae Myung is set to meet Argentine President Javier Milei on Friday to forge a supply-chain partnership on critical minerals and seek fresh momentum for stalled South Korea-Mercosur trade negotiations. Lee arrived in Buenos Aires late Thursday for a three-day official visit to Argentina, the first by a South Korean president in 22 years. Then-President Roh Moo-hyun made the last visit in November 2004. “Through his official visit, President Lee is expected to take cooperation with