Pair teaching art of self-defense to give potential victims more options

CHARLOTTE — Travis Cook held his hands by his chest. Fists clenched. Arms together. Cassie Wilson bound his wrists in layer after layer of duct tape. About 30 students — women, men, and teenagers — looked on, faces sweating in the muggy air of Urban Revolution Martial Arts, a small taekwondo studio in south Charlotte.    “There...