Update Nov. 12: Obama's encounter with a visitor to Section 60.
No sitting president has walked among these graves, according to Katie Couric:Michelle Obama and Jill Biden honor vets:
On this Veterans Day, First Lady Michelle Obama and Dr. Jill Biden joined ServiceNation to express their support and gratitude for the nation's veterans, servicemembers, and their families. They also helped inaugurate the launch of ServiceNation's Mission Serve initiative that works to partner civilian and military service organizations across the country.
More than 50 organizations -- including Blue Star Families, Big Brothers and Big Sisters, Give an Hour, and Student Veterans of America -- have come together on a mission to serve, offering the opportunity to bridge the gap from military to civilian life for returning servicemembers by allowing them to apply their military skills to civilian service. Veteran and Chairman of Mission Serve Col. (Ret.) Robert Gordon described the initiative as "meaningfully integrating service to country with service to community." First Read