Bill Bishop on how politics, race, religion, and social values play into the divisions among Americans.
Allende returns to the world of historical fiction with "Island Beneath the Sea," the story of a slave girl in 19th Century Haiti.
Writer Philip Roth, who claims his two closest friends are "sheer playfulness" and "deadly seriousness," talks about his new book.
The Pulitzer Prize-winning author talks about his new book about the origins of Osama bin Laden.
"New York Times" labor and workplace issues reporter Steven Greenhouse examines the decline in the status and treatment of American workers in his book, "The Big Squeeze."
Inadequate sanitation kills more people in developing nations than AIDS, tuberculosis or malaria.
Author Charles E. Cobb Jr. talks about the key sites of the Civil Rights Movement.
The U.S. national debt is now well above 9 trillion dollars -- Andrew Yarrow thinks this is not just bad economic policy, but also a moral issue.
Ron Howard's latest film chronicles the interviews between British tv host David Frost and President Richard Nixon.
The Oscar-winning filmmaker talks to Bob about his new documentary on abuse at the Abu Ghraib prison in Iraq.

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