By Alex Prewitt The Olympics stir up more than the ordinary border battle for the three couples of former American and Canadian athletes, who have bridged the divide to build lives together away from the ice. BEIJING — When the puck drops here Tuesday afternoon on the latest edition of the Winter Olympics’ fiercest rivalry, former United States captain Meghan Duggan will be parked behind a computer at her Connecticut home, cheering on the women’s hockey team alongside fellow alumni at a virtual watch party that she helped put together. Her wife will not be invited. “We’ve talked about it,” Dug…
