New Delhi, July 15 -- CHINA'S LEADER, Xi Jinping, is too stern to sing or dance in public-no Donald Trump-style piston-arm disco moves for him. This is a shame, for it would save time if he binned his planned remarks when the World Artificial Intelligence Conference (WAIC) opens in Shanghai on July 17th, and sang instead. Specifically, he could unleash his rich baritone on the hippy anthem, "I'd like to teach the world to sing, in perfect harmoneee."

Puzzled delegates might frown. But it would be cheering if Mr Xi sang: "I'd like to build a world a home, and furnish it with love." And as a guide to China's real-world AI ambitions, it would be about as helpful as an official speech. Communist Party media have offered previews of what the ...