For this episode of On the Evidence, my guests are Maria Cancian, the president-elect of the Association for Public Policy Analysis and Management (APPAM) and the dean of the McCourt School of Public Policy at Georgetown University, and Matt Stagner, the current president of APPAM and a vice president at Mathematica. We talk about the theme of APPAM's fall research conference in Denver, which is “Rising to the Challenge: Engaging Diverse Perspectives on Issues and Evidence.”