Pulitzer Prize-winning biographer Jon Meacham on the evolution of Abraham Lincoln's moral principles and political leadership -- and what the era of Lincoln can teach us about the state of our democracy today.
Diane and her guests talk about Defense Secretary nominee and former CIA chief Robert Gates: what he would bring to the job and what his nomination signals for the future of the U.S. in Iraq.
- Amb. Richard Haass President, Council on Foreign Relations and author of "A War of Necessity, War of Choice: A Memoir of Two Iraq Wars"
- Melvin Goodman Senior fellow at the Center for International Policy, author of the forthcoming book "The Decline and Fall of the CIA." He served at the CIA from 1966 to 1990.
- Jeff Stein National security editor and SpyTalk columnist for Congressional Quarterly. Former Army Intelligence case officer in Vietnam.
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