The daughter of former US President Bill Clinton and former US Secretary of State Hillary Clinton talks to Alex Jones about her book She Persisted Around the World: 13 Women Who Changed History. The picture book, with illustrations by Alexandra Boiger, celebrates women who have used their voices and determination to create change, including Marie Curie, Sor Juana Inés de la Cruz, Leymah Gbowee, Caroline Herschel, Wangari Maathai, Aisha Rateb, JK Rowling, Yuan Yuan Tan and Malala Yousafzai.