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.
A Middle East reporter presents a portrait of Ayatollah Khomeini and explores how his radical Islamic philosophy lies at the heart of the modern-day conflict between Iran and the West.
- Con Coughlin Is executive foreign editor of the "Daily Telegraph" and author of "Saddam: King of Terror".
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