 Email us your questions and thoughts at 1a at wamu.org. Let's turn now to our guests with us in studio in Washington, Jeffrey Rosen, president and CEO of the National Constitution Center and professor at the George Washington University Law School. He's the author of the new book, The Pursuit of Happiness, How Classical Writers on Virtue Inspired the Lives of the Founders and Defined America. Jeff, welcome back to the program. Great to be here.