KEYNOTE SPEAKER Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, addresses an audience at the 2013 Service Unites Conference on Volunteering and Service sponsored by Points of Light in Washington D.C., June 21, 2013. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 905068-S-AAR28-570.jpg Photo Gallery