Here are video links to a few of the public lectures I've given.
Congo Crisis: U.S. Evangelicals, Congolese Christians, Race, and Decolonization, Wheaton College, Billy Graham Center archives lecture, September 2014.
"U.S. Evangelicals and the Congo Crisis of 1960-64," Washington University of St. Louis, sponsored by the Danforth Center on Religion and Politics, March. 2012.
What Would Jesus Do? Evangelicals, Iraq, and the Torture Debate, Franklin and Marshall College, October 2012.
Historical Legacy of Sept. 11, panel at Society for Historians of American Foreign Relations, June 2011.
September 11 Digital Archive Panel, Library of Congress panel on collecting the history of 9/11, September 2003. (My presentation begins 35 minutes in.)