Dirk Bogarde loved them. So does Stephen King. Heck, Queen Elizabeth II has owned more than 30 of them. Since the early days of their lineage all the way back in the 12th century, Corgis have been conquering hearts with their foxy heads and fluffy butts. But they're so much more than that. These doggos compete in dog agility trials, obedience, showmanship, flyball, tracking, and herding events. They know their worth. And, as with most self-confident individuals, they aren't afraid to show…