MICHAEL VORENBERG is the author of Final Freedom: The Civil War, the Abolition of Slavery, and the Thirteenth Amendment, which was a finalist for the Gilder Lehrman Lincoln Prize and was used as the basis for the screenplay of Stephen Spielberg’s 2012 film, Lincoln. His newest book is Lincoln’s Peace: The Struggle to End the American Civil War. He is also the author of The Emancipation Proclamation: A Brief History with Documents, as well as a number of essays on legal and constitutional history. His writings have appeared in the Chicago Tribune, the New York Times, Politico, and the Washington Post. He teaches at Brown University in Providence, Rhode Island. https://michaelvorenberg.com