Author and naturalist Sy Montgomery talks about her new book "The Hawk's Way: Encounters with Fierce Beauty" in which she writes about working with hawks as they hunt. And, Craig McNamara talks about "Because Our Fathers Lied: A Memoir of Truth and Family, from Vietnam to Today." The new book looks at his relationship with his late father, Robert McNamara, who was defense secretary under former Presidents John F. Kennedy and Lyndon B. Johnson.