ULAANBAATAR, Mongolia — President Lee Jae Myung on Friday paid tribute to Lee Tae-Joon, a Korean independence activist and physician revered in Mongolia for introducing modern medicine. President Lee also pledged to carry forward his noble legacy as the two countries seek to build a new “golden age” in bilateral relations, the vision he announced with Mongolian President Ukhnaagiin Khurelsukh during their summit the previous day. Known in Mongolia as the “Schweitzer of Mongolia,” Dr. Lee remains