TORONTO -- It promises to be a grand June wedding, two scarlet-coated officers of the famed Royal Canadian Mounted Police standing before a justice of the peace with an escort of similarly spiffy Mounties observing the nuptials on the eve of Canada Day, a national holiday. When the two constables become the first male Mounties to marry each other, the grumpiest witness-from-afar might well be Prime Minister Stephen Harper. The planned union of Jason Tree and David Connors in Nova Scotia on June 30 has cast a spotlight on Harper's pledge to his conservative backers to try to roll back...