Diane is joined by veteran presidential election observers Eleanor Clift and Samuel Popkin to discuss what it takes to win the White House.

Former CBS News anchor Dan Rather defends his reputation and reflects on his 60 years as a reporter.

A professor of psychiatry and epidemiology at Harvard University argues there are no bright lines between normal and abnormal behavior. He says psychiatric disorders are variations of the same brain systems that evolved to help us solve the challenges of everyday life.

The recent discovery that as a youth Charles Dickens lived only a few doors from a major London workhouse made headlines worldwide. Diane and her guest talk about the campaign to save it from demolition and Dicken's pre-occuptation with the bleak workhouse at the heart of his novel.

Former CBS News anchor Dan Rather defends his reputation and reflects on his 60 years as a reporter.

Many former churchgoers are turning to non-traditional Christianity. New York Times columnist Ross Douthat explains why he believes America has become a nation of heretics.

Ambassador Henry Crumpton was an operations officer in the CIA's Clandestine Service for 24 years. In a new book titled "The Art of Intelligence," he describes what it means to be an honorable spy in war and peace.

Fifty years after Marilyn Monroe's death, a female biographer says the sexy "dumb blonde" was actually a smart and complex woman of many parts: model, film star, businesswoman and feminist. Lois Banner talks with Diane about her new book, "Marilyn."

Thomas Mann and Norman Ornstein join Diane to talk about their new book "It's Even Worse Than It Looks: How The American Constitutional System Collided with the New Politics of Extremism".

A law professor tells the story behind the landmark Supreme Court decision that expanded the legal rights of millions of gay and lesbian Americans.