In this web exclusive, famed violinist Itzhak Perlman talks with CBS News chief medical correspondent Dr. Jonathan LaPook about his experience after contracting polio as a child, several years before the development of a polio vaccine, and the obstacles in life to which he has had to adjust because of his disability. He has advice for those who question taking the vaccine. He also talks about the effect of music on the brain, and how he wishes to be remembered.