No, we don’t really have an official sport, but here’s why karate would be it if we did… — Twice in the past three weeks, I listened to Karate-Do: My Way of Life, the short autobiography of Gichin Funakoshi, one of the founders of modern karate (and the Shotokan school). His was not an easy life: Funakoshi was a sickly child who wasn’t expected to survive. He started karate…