he first big leader to livestream a message to the virtual World Health Assembly on 18 May was supposed to be Cyril Ramaphosa, president of South Africa and chairman of the African Union, but something went wrong with the feed. Xi Jinping went first instead. We saw the president of China seated behind a highly polished table, in front of a mural showing rosy dawn creeping over the Great Wall. He promised billions of dollars to fight Covid-19 and invoked ‘planet Earth, our common...
