Summary: While new COVID-19 cases surge, debate over lockdowns, masks and vaccine mandates continue. Yesterday, United Airlines announced that it will require all of its U.S. employees to be vaccinated as a condition of employment. Juliette Kayyem, professor at the Harvard Kennedy School of Government and former Homeland Security Assistant Secretary, says vaccine requirements should apply to airline passengers as well. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
