D ozens of elderly U.S. veterans paid tribute to their fallen World War Two comrades in the U.S. cemetery of Colleville-sur-Mer in Normandy on Tuesday, as British veterans sailed from UK shores to join the D-Day ceremonies. The celebrations mark the 80th anniversary of D-Day, the name given to the landing of more than 150,000 Allied soldiers in northern France, on June 6, 1944, a turning point in the war that eventually drove German Nazi forces out of the country. "It's our duty to remember them and make sure people realise how evil the world can become if you do...