- Cathcart: As Kim Jong Un looks at the world today, he may feel stronger than ever
- The new tests flag North Korea as a major challenge for US foreign policy, says Cathcart
Adam Cathcart is a lecturer in Chinese history at the University of Leeds (United Kingdom) and the editor of Sino-NK.com. The views in this article are those of the author.
(CNN)North Korea has carried out its fifth nuclear test, and Kim Jong Un is smiling.