Player Embed Code: Download Embed Share Defense Official Joins Roundtable Discussion on U.S. Leadership in Women, Peace and Security Defense.gov Oct. 6, 2020 | 01:19:03 Stephanie L. Hammond, acting deputy assistant secretary for stability and humanitarian affairs, joins panelists in a roundtable discussion on U.S. leadership in women, peace and security at a virtual Heritage Foundation event, Oct. 6, 2020.