What is Juneteenth, the newest federal holiday, and why do we celebrate it as Emancipation Day? Martha Jones, author of Vanguard: How Black Women Broke Barriers, Won the Vote, and Insisted on Equality for All, and Lucas Morel, author of Lincoln and the American Founding, discuss with host Jeffrey Rosen on this week’s episode.

Robert Strauss, author of the new book John Marshall: The Final Founder; Peter Canellos, author of the new book The Great Dissenter: The Story of John Marshall Harlan, America's Judicial Hero; and Elizabeth Slattery, co-host of the podcast Dissed, discuss some of America’s greatest Supreme Court justices in history with Jeffrey Rosen.

Celebrate Juneteenth—the annual commemoration of the end of slavery in America in 1865—with the National Constitution Center!

Museum admission will be FREE on Saturday, June 19. Check out our special programming and online resources.

"Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction."

Read Interpretations on the Interactive Constitution >

Read > a roundup of this week's articles from The Battle for the Constitution—a partnership with The Atlantic that explores constitutional debates in American life.

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