The German Shorthaired Pointer is one of those breeds that makes non-dog-people do a double take. There's something magnetic about them — the liver-and-white ticking, the amber eyes locked on something a quarter mile away, the coiled-spring energy that never fully switches off even when they're technically "at rest" on your couch. The GSP is a dog of extraordinary capability: a flusher, a retriever, a pointer, a swimmer, and a...