Why the U.S. still doesn't have control of coronavirus

It was just about six months ago that the first case of COVID-19 was confirmed in the U.S. Since then, the pandemic has exacted an enormous toll in terms of both human lives and economic harm -- with no end in sight. Amna Nawaz marks the moment with two people focused on solving the pandemic: Dr. Rajiv Shah of the Rockefeller Foundation and John Barry of Tulane University School of Public Health.