When my middle child was in ninth grade, I had the privilege of being the chauffeur for him and five of his friends on their way to a Model UN conference. The car ride was alive with youthful energy—six teenagers, between the ages of 13 or 14, passionately discussing or rather arguing their topics, world events, and geopolitics. Each one arguing their points with such conviction that they almost forgot I was in the car. Or maybe they didn’t care I was there. They debated fiercely, citing facts and passionately defending their points of view. Sometimes they backed down, other times, they dug deeper, refusing to waver in their stance. As I listened, I was struck by their passion. It was inspiring—and a little bittersweet. These were the kids who believed in their cause, who genuinely thought they could solve world problems. If only the Model UN worked the same way in real life. If only the leaders of our world would sit down, argue with facts, listen to each...