By day, they are nurses, schoolteachers, lawyers, students and auto mechanics. By game night, they are the beating heart of the Sacramento Republic FC. Meet the 800-strong Tower Bridge Battalion, a whomping, stomping, self-organized army of men and women whose bond with their team is uniquely fierce. Fair-weather fans, they are not. With the new soccer season starting in March, the fever pitch is already rising. Hear them roar.