Karate is practiced by more than 60 million people around the world, and its roots are in Okinawa. Okinawan karate, the most traditional form, is known for the brutal power of its blows. But that power is cultivated with the intention never to unleash it. This time we explore the paradox of training the body into a weapon that ideally should never be used. Our expert guest is Kiyoshi Tsuha, who has been practicing Okinawan karate for over 50 years. And in Plus One, the basics of Okinawan karate.