Relationships are tricky. Especially when they are made up of two vastly different people, with vastly different views, from vastly different walks of life. But sometimes, none of those things matters — not when you have an old Swedish cookie recipe to bring you two together. Let me explain. In this case, one is a suburban-raised, red-as-they-come Republican homebody who hates travelling and loves little furry things with paws. The other is a globetrotting, blue-as-a-bluebell Democratic who...