The SCMP team discuss the Biden-Trump debate and its minimal focus on trade, and compare it with the much more impactful speech given by China's president Xi Jinping for the 70th anniversary of the Korean War, asking the Chinese people to reclaim the 'Korean Spirit'. Hinrich Foundation research fellow and former USTR and WTO negotiator Stephen Olson gives his analysis of Trump and Biden trade policies; in-depth discussion about the future of post-pandemic world trade with Nigerian WTO nominee…