Developments at home and abroad are testing U.S.-South Korea relations. U.S. President Joe Biden and South Korea's President Yoon Suk Yeol at the Asia-Pacific Economic Cooperation summit in San Francisco on November 16, 2023. Kevin Lamarque/Reuters Blog Post by Michelle Kurilla December 15, 2023 11:05 am (EST) The latest episode of The President’s Inbox is live! This week, Jim sat…