There's a reason the Samoyed is sometimes called "the dog that smiles." That perpetual grin, those cloud-white coats that practically glow in sunlight, those dark eyes that hold equal parts mischief and pure joy — the Samoyed is one of those breeds that stops you in your tracks. Whether they're dramatically flinging their floof into the air mid-zoom, gazing at you with obvious patience while you finish your morning coffee,...