U.S. Presses China to Free American Seismologist Accused of Spying

President Trump has called on Chinese President Xi Jinping to release American seismologist Youlin Chen, who has been accused of espionage by Chinese authorities. Chen, whose research focused on detecting North Korean nuclear tests, is now under detention, prompting a plea from his family for his release. This situation underscores the geopolitical tensions between the U.S. and China, particularly concerning academic freedom and international research collaborations.