This next edition of Liberty Law Talk is a discussion with Michael S. Paulsen, co-author with his son, Luke Paulsen, of their new book entitled The Constitution: An Introduction. The Paulsens’ book is a thoughtful and probing overview of the foundations and evolution of American constitutionalism. Our discussion focuses on key ideas in the book: What does it mean to be a country that is defined by a written constitution? Is the Founders’s Constitution a pro-slavery document? Has the use of substantive due process in Lochner, Griswold, and Roe corrupted our understanding of the Fourteenth Amendment? Of what worth is the Youngstown decision that…