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.
Guest Host: Susan Page
Journalist Jonathan Rauch examines arguments and developments in the debate over gay marriage — including the first same-sex marriages being performed this week in Massachusetts.
- Jonathan Rauch Senior fellow at the Brookings Institution; author of "Denial: My 25 Years Without a Soul" and "Gay Marriage: Why It Is Good for Gays, Good for Straights, and Good for America."
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