Britain's Queen Elizabeth is accompanied by France's President Francois Hollande as she attends a wreath-laying ceremony at the Arc de Triomphe in Paris, France, Thursday, June 5, 2014. The Queen arrived in Paris to start a three-day state visit and participate in ceremonies commemorating the D-day landings in Normandy. (AP Photo/Charles Platiau,pool)

Great Britain’s Queen Elizabeth II and her husband Prince Phillip are the two people attending the commemorations of the 70th anniversary of D-Day, along with the many veterans, who have “any clue” of the enormity, the gravity, of what actually occurred there 70 years ago. The other leaders, like Obama and Putin, should take a lesson from that “Great Generation”.