Increasing studies have shown the efficacy of face-covering to help stem the spread of the coronavirus. However, some are still choosing to shun face masks. Experts suggest learning from how safety precautions of the past, such as seatbelts and condoms, were normalized to help aid the effort to normalize the face mask. We hear from Dr. Katherine Baicker, Dean of the Harris School of Public Policy at Chicago University and Dr. William Schaffner, Professor of Medicine at Vanderbilt University School of Medicine.