PRESIDENTIAL COIN President Barack Obama leaves a presidential coin at the gravesite of 19-year-old Medal of Honor recipient Army Spc. Ross McGinnis, one of two Medal of Honor recipients memorialized at the cemetery from the wars in Iraq and Afghanistan, during a Veterans Day commemoration at Arlington National Cemetery, Nov. 11, 2009. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 294880-Y-BGB12-221.jpg Photo Gallery