This week, we're learning about the power and peril of the atom, with two books about women who were instrumental in helping us unlock its secrets. We're joined by Huffington Post editor Shelley Emling, to discuss her book "Marie Curie and Her Daughters: The Private Lives of Science's First Family." And we'll speak to author Denise Kiernan about her book, "The Girls of Atomic City: The Untold Story of the Women Who Helped Win World War II."