
James R. Shepley Distinguished Professor of Public Policy
Professor in the Sanford School of Public Policy
Senior Associate Dean for Faculty and Research in the Sanford School of Public Policy
Director of the DeWitt Wallace Center for Media and Democracy
Associate of the Duke Initiative for Science & Society
Senior Associate Dean for Faculty and Research in the Sanford School of Public Policy
Director of the DeWitt Wallace Center for Media and Democracy
Associate of the Duke Initiative for Science & Society