The Declaration of Independence lists the pursuit of happiness as one of our inalienable rights. But is happiness equally available to everyone in America? Our public debate about economic policy seldom looks at that. We speak with Carol Graham, of the Brookings Institution and the University of Maryland School of Public Policy. Professor Graham has looked at research linking income inequality with well-being to show that the widening gap in prosperity is creating a parallel gap in people’s hopes and aspirations. Her new book’s title is a question: “Happiness for All?”