Christopher Yoo of the University of Pennsylvania Law School and Tom Donnelly of the National Constitution Center discuss the Pennsylvania Federalist and America's greatest proponent of popular sovereignty.American Treasures: Documenting the Nation's Founding is now open at the Constitution Center.Continue today’s conversation on Facebook and Twitter using @ConstitutionCtr.We want to know what you think of the podcast! Email us at editor@constitutioncenter.org.Sign up to receive Constitution Weekly, our email roundup of constitutional news and debate, at bit.ly/constitutionweekly.Please subscribe to We the People and our companion podcast, Live at America’s Town Hall, on iTunes, Stitcher, or your favorite podcast app.We the People is a member of Slate’s Panoply network. Check out the full roster of podcasts at Panoply.fm.Despite our congressional charter, the National Constitution Center is a private nonprofit; we receive little government support, and we rely on the generosity of people around the country who are inspired by our nonpartisan mission of constitutional debate and education. Please consider becoming a member to support our work, including this podcast. Visit constitutioncenter.org to learn more.This show was engineered by Jason Gregory and produced by Nicandro Iannacci. Research was provided by Lana Ulrich and Tom Donnelly. The host of We the People is Jeffrey Rosen.