At Virtual WHO Annual Meeting, Bungling Diplomacy of Trump and Pompeo Lets Communist Dictator Xi Deliver Keynote Address, Posturing as Benefactor of World and Especially Africa for a Mere $2 Billion; Beijing Despot Burnishes Image as Guarantor of Equitable Distribution of Vaccine; He Pretends to Approve Inquiry into Origins of Wuhan Virus, but Only Once Emergency Is Over; Will Watered-Down Call for Probe Pass on Tuesday; Trump Boycotts Session, but Threatens to Cut $400 Million Off US Contribution; Isolation of US Virtually Complete