Robert Whiting, an elderly Canadian gentleman of 83, arrived in Paris by plane. At French Customs, he took a few minutes to locate his passport in his carry on. 'You have been to France before, monsieur?' the customs officer asked sarcastically. Mr. Whiting admitted that he had been to France previously. Then you should know enough to have your passport ready.' The Canadian said, ''The last time I was here, I didn't have to show it. 'Impossible. Canadians always have to show passports on arrival in France !' The Canadian senior gave the Frenchman a long hard look. Then he quietly explained, ''Well, when I came ashore on D-Day in 1944 to help liberate this country, I couldn't find a single Frenchmen to show a passport to.' You could have heard a pin drop.