Joel Kinnaman, Lesley Stahl, Keltie Knight, Carnie Wilson guest co-host

Actor Joel Kinnaman discusses his television series; award-winning broadcast journalist Lesley Stahl discusses her new book "Becoming Grandma: The Joys and Science of The New Grandparenting"; "Top Talker" Keltie Knight ("The Insider"); singer Carnie Wilson is guest co-host.