As the start of the school year fast approaches, there is more confusion about whether it will be safe to return to the classroom. Many teachers and families worry about the role kids might play in spreading the virus. CNN’s Chief Medical Correspondent Dr. Sanjay Gupta talks with former acting CDC director Richard Besser about the risks and rewards of sending children back to school, as well as the importance of following public health guidance. To learn more about how CNN protects listener privacy, visit cnn.com/privacy