China's ambassador to U.S. says his country is doing everything possible to stop outbreak

There's no indication yet that China's novel coronavirus outbreak is slowing. More than 50 million people live in cities essentially locked down to prevent the illness' spread, but fatalities and infections continue to rise. There are also many questions about how the Chinese government has handled the outbreak. Cui Tiankai, China's ambassador to the United States, joins Judy Woodruff to discuss.