Alex Thier, assistant to the administrator for the Bureau of Policy, Planning and Learning, USAID, opens a town hall on the centrality of development assistance to U.S. foreign policy - the 2015 National Security Strategy (NSS) and Quadrennial Diplomacy and Development Review (QDDR) in Washington, D.C., June 2, 2015. The discussion was moderated by Susan Reichle, Counselor to USAID. Opening Remarks were by Heather Higginbottom, deputy secretary of State for Management and Resources. Panelists included: 1) Salman Ahmed, special assistant to the president for Strategic Planning and the counselor to National Security Advisor Susan Rice, National Security Council. 2) Tom Perriello, special representative for the Quadrennial Diplomacy and Development Review, Department of State. (USAID photo by Robb Hohmann)