Support WBURDespite Shortfalls And Delays, U.S. Testing Czar Says Efforts Are Mostly 'Sufficient'Play08:00Download AudioJason SlotkinJuly 14, 2020 ShareAdm. Brett Giroir, assistant secretary for health in the Department of Health and Human Services, adjusts his face mask while testifying this month before a House subcommittee on the coronavirus crisis. (Pool/Getty Images)
