OTTAWA — Prime Minister Mark Carney and French President Emmanuel Macron are holding a symbolic meeting on an archipelago 20 kilometres off the southern coast of Newfoundland on Sunday, in what both countries say is a show of unity and mutual respect.The two leaders will hold a working lunch and attend a wreath-laying ceremony in Saint-Pierre-et-Miquelon, a French territory which is second only to Hans Island -- on the northern coast of Greenland and shared between Canada and Denmark -- as the geographically closest European territory to Canada.The meeting comes as Canada and the European Union are in talks to...