When people talk about diversity, they often imagine a room filled with different cultures, different languages, and different nationalities. But I've come to realize that diversity begins long before we enter that room. It begins within us.Let me take you to the night before I left Japan to start university. I was sitting alone in my room staring at a halfback suitcase on the floor. It was almost midnight and the only light in the room was the glow of my phone.That soft blue light that makes everything fee ...