Jimmy Carter's connection to immunotherapy

According to the Cancer research institute, President Carter's doctors took a bold initiative for treating his cancer. An immunotherapy treatment called pembrolizumab (Keytruda®) had only earned U.S. Food and Drug Administration (FDA) approval in 2014, the year before President Carter's diagnosis. Dr. Adam Friedman, Professor & Chair of dermatology at the George Washington School of Medicine and Health Sciences joins LiveNOW from FOX to discuss.