What can we learn about China's ambitions from studying how its diplomats operate? In his new book "China's Civilian Army," Bloomberg's Peter Martin draws on memoirs and first-hand reporting in Beijing, to share the untold story of China's "wolf warriors," its highly disciplined diplomats who have a combative approach to asserting Chinese interests. Martin joins Senior Fellows Tatiana Serafin and Nikolas Gvosdev for a fascinating conversation on China's diplomatic army.