US President Obama Speaks at the American Veterans Disabled for Life Memorial

disabled veterans, wounded warriors, bullet, shrapnel, Oliver Wendell Holmes, Jr., Lois Pope, Art Wilson, Disabled American Veterans, Secretaries Jewell and McDonald, Continental Army, mangled, musket ball, disability pension, overwhelming odds, "shell shock", "battle fatigue", "1,000-yard stare", post-traumatic stress, caregiver, Captain Dawn Halfaker, Iraq, Humvee, RPG, Walter Reed, Bethesda, Bagram, Paralympics, Team USA, prosthetic arm