If Balthazar spawned a small child, it would look like Belleville…From decor to ambience to food, Belleville (named for the Parisian neighborhood) fashions the perfectly French bistro here in Park Slope. Designed to look lovingly worn, Belleville is at once comfortable, with its tin ceilings, tiny-tiled floors, bar back glittering with wine glasses, distressed mirrored walls displaying plats du...