U.S. President Barack Obama speaks before kicking off the Wounded Warrior Project’s Soldier Ride on the South Lawn of the White House in Washington, DC, on May 4, 2011. With him are General Cartwright, Vice Chairman of the Joint Chiefs of Staff, and Tammy Duckworth, Assistant Secretary for Public and Intergovernmental Affairs in the United States Department of Veterans Affairs. UPI/Roger L. Wollenberg