Examining the human toll of China’s stringent COVID policy

Chinese authorities locked down after discovering two cases of omicron in Anyang, a city of 5.5 million people about 300 miles outside Beijing. It’s the third Chinese city now in lockdown and comes less than a month before the Beijing Olympics. These lockdowns are tests of China’s zero-COVID policy, which authorities have called a success. But critics ask: at what cost? Nick Schifrin reports.