The nation’s top infectious disease doctor and incoming medical advisor to Joe Biden, Dr. Anthony Fauci, says while vaccinations are off to a slower-than-expected start in the US, the country and world could “crush” this pandemic, if enough people get efficacious vaccines like the ones becoming available in the US Host Carol Hills speaks with Fauci about how to do this, lessons from the past, and what changes to expect in the coming weeks as the Biden administration takes office.