From the very beginning of Norman Rockwell's career, dogs were integral to his art. Often they convey the emotion of a scene, as when a family pet bounds forward to greet a soldier returning from war, or sadly nuzzles a young man departing for college. Rockwell had a special facility with his canine models, who were sometimes his own dogs: Raleigh the German shepherd, Butch the springer spaniel, and Pitter the beagle mix. Faithful Friends...