Abby is joined by author Jenna Weissman Joselit to discuss her groundbreaking new biography of radical thinker Mordecai Kaplan, who reinvented Judaism for modern America. The book, "Mordecai M. Kaplan: Restless Soul," delves deep into the fascinating contradictions that drove one of twentieth-century Judaism's leading luminaries to create a new way of looking at an old faith by "reconstructing" it.