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.
Historian Garry Wills talks about both his very public criticisms of and his abiding commitment to the Roman Catholic Church.
- Garry Wills Is an adjunct professor of history at Northwestern University and author of numerous books, including the Pulitzer-Prize winning "Lincoln at Gettysburg," "Saint Augustine, and "Why I Am a Catholic."
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