Jonathan Rauch and Maggie Gallagher present differing views on the definition of marriage. Jonathan Rauch is a senior writer and columnist for the National Journal. His latest book is "Gay Marriage: Why It Is Good for Gays, Good for Straights, and Good for America." Maggie Gallagher is President of the Institute for Marriage and Public Policy and a co-author of "The Case for Marriage." Series: "Ethics, Religion and Public Life: Walter H. Capps Center Series" [Public Affairs] [Show ID: 9865]