Mitchell, the chief foreign affairs correspondent for NBC News and anchor of her own MSNBC show, looks back on her career in journalism. She's receiving a lifetime achievement Emmy later on Sept. 24. "It's very empowering to feel that you can ask questions and try to take on someone who is doing something wrong and betraying the public's trust," Mitchell says. Also, critic John Powers reviews the book 'Heaven, My Home,' by Attica Locke.