On Nov. 21, Vice Premier Sun Chunlan, in charge of China's war on COVID-19, said infections had to be brought down to zero as they emerged. Nine days later, she said the Omicron strain of the virus had "weakened" even though new cases in the Chinese capital hit a high. Last week, in one fell swoop, China cut away most of the tenets governing its stifling zero-COVID policies, effectively ending its war on the pandemic. It has since turned to re-educating people on the harmlessness of Omicron and pushing the idea of self-care, a dramatic U-turn from quarantine camps and...