as the mc5 so notably sang. ♪ but school in japan is different. they didn't give up on physical education, as we seem to have. the 1,000-year-old martial art of kendo, or the way of the sword, is still widely taught. boys and girls alike compete with bamboo swords -- sensible stand-ins for actual samurai swords -- but the same thing, man. ♪ kendo is scored by strikes against the wrist, head, torso, or throat. each representing a blow that would be bad news if handling an actual blade. >> masa: ha ha. [ applause ] they're fast, huh? >> anthony: the concept of kaizen -- improvement, central