We couldn't help ourselves: The sight of the young, newly released detainee drove us into a paroxysm of laughter. But the laughter quickly morphed into sad embarrassment. The detainee was a boy of 8, in second grade. When we met him this week, on the streets of Hebron, he was on his way to his grandfather's home. He wore a red sweatshirt emblazoned with an image of Mickey Mouse, and he had a shy smile. His mom...