Eric Holder, former U.S. attorney general under Pres. Obama, chairman of the National Democratic Redistricting Committee, and Sam Koppelman, author and director of surrogate speechwriting on the Biden-Harris presidential campaign, talk about their new book, Our Unfinished March: The Violent Past and Imperiled Future of the Vote-A History, a Crisis, a Plan (One World, 2022), plus the current redistricting picture.