"Josh Rosenblatt was thirty-three years old when he first realized he wanted to fight. A lifelong pacifist with a philosopher's hatred of violence and a dandy's aversion to exercise, he drank to excess, smoked passionately, ate indifferently, and mocked physical activity that didn't involve nudity. But deep down inside there was always some part of him that was attracted to the idea of fighting. So, after studying Muay Thai, Krav Maga, Brazilian jiu-jitsu,...