President Barack Obama place a challenge coin on the grave of a fallen soldier at Arlington National Cemetery on Memorial Day, Monday, May 30, 2011. (.(AP Photo/Jose Luis Magana)
President Obama & First Lady Michelle Honor Veterans on Memorial Day
President Obama & First Lady Michelle Honor Veterans on Memorial Day
President Barack Obama place a challenge coin on the grave of a fallen soldier at Arlington National Cemetery on Memorial Day, Monday, May 30, 2011. (.(AP Photo/Jose Luis Magana)