The 13th Amendment at 150: Emancipation, America’s Second Founding, and the Challenges That Remain The 13th Amendment, which banned slavery throughout the United States, began a wave of constitutional transformations that followed through on President Lincoln’s promise of “a new birth of freedom” and has been described as the “Second Founding.” For the 150th anniversary of the ratification of the 13th Amendment, we explore the challenges that remain. Moderator Jeffrey Rosen, president, National Constitution Center, leads a discussion with Rep. G.K. Butterfield, chair of the Congressional Black Caucus; Judge Bernice Donald, U.S. Court of Appeals for the Sixth Circuit; Judge James Wynn, U.S. Court of Appeals for the Fourth Circuit; Thavolia Glymph, professor of history, Duke University; author and journalist Richard Brookhiser; and Kate Masur, professor of history, Northwestern University. Presented in partnership with the Constitutional Accountability Center and the National Constitution Center. A book signing of Richard Brookhiser’s Founders’ Son: A Life of Lincoln