With growing coronavirus outbreak, is China's massive quarantine the right response?

China is still struggling to contain its growing coronavirus outbreak, which has now killed at least 41 and infected 900 more. The virus has spread to seven countries, with a second case confirmed in the U.S. Hospitals in the Chinese city of Wuhan are overflowing, and officials have ordered a travel ban affecting 35 million residents. William Brangham reports on concerns over what lies ahead.