PBS NewsHour - Season 46 Episode 148

Tuesday on the NewsHour, Dr. Anthony Fauci joins us to discuss revised CDC guidelines for face coverings amid spread of the delta variant. Then, we hear powerful testimony from the police officers who defended the U.S. Capitol from terrorists in January. And, Olympic gymnast Simone Biles steps aside saying she is not in a good place to compete — a powerful move to prioritize her mental health.