China calls their agent home.

After more than a decade in the United States, nuclear physicist Liu Chang, whose research has been crucial in the journey to achieve fusion energy, has left Princeton University for a position at Peking University in Beijing.
https://archive.ph/2025.03.11-002823/https://www.scmp.com/news/china/science/article/3301674/princeton-nuclear-physicist-liu-chang-leaves-us-china-fusion-energy-quest