At 130 pounds, Branka the Bullmastiff lorded over his opulent Beverly Hills estate, which each morning was visited, not by game poachers, but by peaceful gardeners tasked to maintain the property. But to Branka, these terrified men were invaders to be stomped, mashed, mauled, and stood upon. When one of them was badly bitten and a law suit loomed, Branka found himself in leg irons, awaiting sentence. Canine aggression comes in many forms: dominance, fear-based, hereditary, maternal, redirected, territorial, or possessive, but whatever the type, a dog on the warpath is an untenable thing, and w...