Japanese government officials expressed concerns Saturday that the ongoing political turmoil in South Korea may derail improving relations between the two countries.The administration of South Korean President Yoon Suk Yeol could be a "lame duck," a Japanese Foreign Ministry source said, even though Yoon survived an impeachment motion over his short-lived declaration of martial law that triggered condemnation from lawmakers and the public.The motion was scrapped due to a lack of the required number of voters in parliament."We may go back to the days where bilateral relations worsened," the …READ FULL ARTICLE