On Monday night, Americans sat down to watch one of the most anticipated presidential debates in the country's history. It happens to fall on the anniversary of the first and most famous presidential debate -- between Nixon and Kennedy in 1960. But that was not the first time two presidential candidates went before T-V cameras together.

Could a campaign emphasis on "law and order" derail the emerging bipartisan consensus on crime and punishment?

John W. Dean talks about his book on Watergate, "The Nixon Defense: What He Knew and When He Knew It" which bills itself as the complete story of the Watergate break-in and cover-up, and discloses Nixon’s part in it.