Melinda Gates On Her Foundation'S Work And The Need To ‘Lift Up Women' Worldwide

The Bill and Melinda Gates Foundation is the world's largest private philanthropic organization, with an endowment of $50 billion. Melinda Gates plays a huge role in shaping its work, and her new book, The Moment of Lift: How Empowering Women Changes the World, chronicles some of the inspiring men and women she has met through it. Judy Woodruff talks to Gates about politics and equality.