Dr. Paul Offit is the Director of the Vaccine Education Center at Children's Hospital of Philadelphia and a member of the FDA Vaccine Advisory Committee. He's also the author of a new book called "Tell Me When It's Over" that audits the United States' response during the COVID-19 pandemic. His unbiased and expert point of view is essential to help us understand what mistakes were made, by both the Trump and Biden administrations, so we can be better prepared for disasters in the future.