Condoleezza Rice: 'Women's rights will help all people'
As the second female US Secretary of State, serving from 2005-2009, Condoleezza Rice was a strong advocate of women's rights and says that equality will help everyone.
Speaking to the BBC, Rice says that during her time as Secretary of State, she never encountered a situation in which she was treated differently because she was a woman.
Find out more in Hillary Clinton: The Power of Women on Wednesday 25 March at 21:00 GMT on BBC Two. Or catch up later on BBC iPlayer.