China’s “Wolf Warrior” diplomats have discarded the usual diplomatic tools in favor of slinging bombastic insults. Eyes on Asia this week examines how the hyper-nationalism is playing internationally. And in Vietnam, RFA looks at the disturbing case of a dissident who has been transferred to a mental health institution for refusing to speak to his interrogators. With RFA journalists Mat Pennington, Paul Eckert, Rita Cheng and Giang Nguyen.