Diana J. Schaub is a nonresident senior fellow at the American Enterprise Institute (AEI), where her work is focused on American political thought and history, particularly Abraham Lincoln, Frederick Douglass, African American political thought, Montesquieu, and the relevance of core American ideals to contemporary challenges and debates.

This week, Diana joins Robert and Phoebe to talk about her new book, Lincoln's Greatest Speeches. Tune in for a lively discussion on the morality of America's founding and how Lincoln's greatest speeches are still relevant today.