What marrying a politician taught Cindy McCain about life

Almost 40 years of marriage to the late Senator John McCain gave Cindy McCain a front row seat to the adventure and challenges of life in politics. From navigating political scandals and a growing family, to taking on President Trump, she catalogues her experiences in her new book, "Stronger: Courage, Hope, and Humor in My Life with John McCain." She joins Judy Woodruff to discuss the read.