S2 E52: Panda bears are flying back to China - what does this mean for 'panda diplomacy'

For nearly 1400 years, China has had a tradition of gifting panda bears to countries it wants to establish friendly relations with. For example, in the 8th century AD, the Tang dynasty empress Wu Zeitan is credited with having gifted the Japanese emperor two panda bears from forests in China. This was a gesture of goodwill between the nations. While this tradition has continued across centuries, relations between the USA and China broke down soon after the second World War.How did things chan...