The article discusses the complex relationship between China and North Korea, particularly in the context of North Korea's nuclear ambitions. It highlights the potential risks of North Korea's nuclear arsenal to China, especially if a military contingency arises on the Korean Peninsula. The author, Diana Y. Myers, suggests that Beijing's policy of non-intervention might be challenged if North Korea's regime faces collapse or engages in aggressive actions towards South Korea. The article also explores the implications for U.S.-China relations and the need for improved communication and coordination to manage potential crises. Myers emphasizes the importance of considering the direct threat that North Korea's nuclear weapons could pose to China and the broader strategic implications for regional stability.