Shirley MacLaine, Al Pacino, Bob Woodward

Hosted by Jane Pauley. In our cover story, David Pogue looks at technology aimed at reducing collisions between whales and ships. Also: Ben Mankiewicz interviews Al Pacino about his new memoir, “Sonny Boy”; David Martin talks with veteran Washington Post reporter Bob Woodward about his latest book, “War”; and Lee Cowan sits down with actress Shirley MacLaine, whose latest book, “The Wall of Life,” is a photographic memoir of her brilliant career.