MEXICO CITY — President Lee Jae Myung headed home Saturday, wrapping up his two-nation trip that earlier took him to New York for the annual United Nations General Assembly. Lee addressed the 81st U.N. General Assembly on Tuesday, reaffirming his envisioned role as a "pacemaker" to help the U.S. resume dialogue with North Korea. The president also presented his phased approach to denuclearizing North Korea, beginning with a halt and reduction of North Korea's nuclear and missile programs. The same day, Lee held a summit with U.S. President Donald Trump in New York, during which Trump reaffirmed his commitment to dialogue with North Korea, according to South Korean officials. On a state visit to Mexico that began Wednesday, Lee held summit talks with Mexican President Claudia Sheinbaum the following day and adopted a joint action plan calling for efforts to deepen economic cooperation and expand bilateral collaboration into artificial intelligence (AI), the defense industry and other sectors. Lee is scheduled to return home on Sunday.