Andrew Lack; 'Dead Presidents'; Gitta Sereny, Pt. 2

President of NBC News Andrew Lack talks about the O. J. Simpson interview that never happened. Brothers and filmmakers Allen and Albert Hughes talk about the music that inspires them, their path to success, and their new film "Dead Presidents." Journalist and author Gitta Sereny discusses Adolf Hitler, the nature of evil, and her new book, "Albert Speer: His Battle with Truth."