One Step Further

"Hidden Figures" hero Katherine Johnson.was both confident and humble: She said, "if you expect nothing, you'll get nothing." But she also thought she was just doing her job at NASA and was surprised by all the attention her story got, which eventually led to her receiving the Presidential Medal of Freedom. Guest: Katherine Moore, co-author, with Katherine Johnson and Joylette Hylick, of "One Step Further: My Story of Math, the Moon, and a Lifelong Mission"