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.
- Andrei Sitov Washington bureau chief, Itar-Tass news agency of Russia
- Susan Glasser Editor, Politico
- Steve Andreasen Consultant, the Nuclear Threat Initiative; he also teaches national security policy at the Hubert H. Humphrey Institute of Public Affairs at the University of Minnesota.
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