Coronavirus in the U.S.: things are 'changing hour by hour'

The response to the coronavirus outbreak in the U.S. is changing on an almost hourly basis. But as health care workers face a volley of new challenges amid an American populace wary of the global pandemic, there has been an increase in testing and guidelines to consider. Caroline Chen, a ProPublica reporter who is covering the outbreak, joins Hari Sreenivasan with more.