“D-Day has come,” proclaimed a special BBC broadcast on June 6, 1944. And so has the 80th anniversary. Last week, I joined thousands of tourists, veterans, re-enactors and heads of state of various nationalities on a pilgrimage to Normandy to commemorate the largest amphibious invasion in history and the 100-day Battle of Normandy that followed. After years of planning and struggle, the Allies answered calls to open a second front in Western Europe, a step closer to defeating Nazi tyranny. We landed in the Pas De Calais region – where the Germans most expected an assault thanks to Allied decep…