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 law professor discusses which state laws should govern in specific situations as gay couples travel or move from place to place.
- Andrew Koppelman Professor of law at Northwestern University School of Law and author of "Antidiscrimination Law and Social Equality" and "The Gay Rights Question in Contemporary American Law."
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