Testing, treatment progress key to resuming American life

Dr. Mark McClellan and Dr. Scott Gottlieb, both former commissioners of the FDA, have been planning how to reignite a U.S. economy devastated by the coronavirus pandemic. But the gradual reopening they lay out would happen only after several key milestones are reached. McClellan, now director of the Duke-Margolis Center for Health Policy at Duke University, joins Judy Woodruff to discuss.