President Joe Biden is expected to meet Friday with South Korea's President Moon Jae-in. The two leaders are at very different points of their terms. Biden, newly-elected, and moon in his final year. They are expected to discuss progress on North Korea, and discuss tense U.S.- China relations. Amna Nawaz gets the details from South Korean Foreign Minister Chung Eui-yong. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders