The new president of South Korea, Lee Jae Myung, and Japan's Prime Minister Shigeru Ishiba tried to leave old feuds behind and look to the future at the Tokyo summit.A meeting between the leaders of South Korea and Japan this weekend was hailed as the start of a new stage in the relationship between the two countries.

With US foreign policy in flux, Japan and South Korea are finding common ground on trade, defense, and demographic challenges.

Barely two months into office, South Korean President Lee Jae Myung faces a pivotal foreign policy test, heading into back-to-back summits in Tokyo and Washington that reflect the wider struggle of U.