Dave Davies

On the hit PBS Masterpiece series, the social rules the characters have always known are changing as the world events of the 20th century unfold. The series' creator, Julian Fellowes, says his relatives who lived through that era inspired his lasting interest in class.

In a new book, biographer David Nasaw profiles the father of Robert, John and Teddy, and unpacks the elder Kennedy's influence on his children. "He told them over and over again, 'I'm making all this money so you don't have to make money, so that you can go into public service,'" Nasaw says.

The Robert Zemeckis film, out now on DVD, stars Denzel Washington as a pilot with a secret substance-abuse problem who successfully crash-lands an airplane while high on drugs and alcohol. He must then ask himself tough questions about whether his heroism is undermined by his addiction.