Ok," he says. "First lesson."Noah broadens his stance, taking his place firmly on the embassy side of the threshold. "in the United States," he says. Then, with both feet, he leaps on to the sidewalk. "Out of the United States." Quickly, he jumps back toward me. "In the United States." Another jump across the threshold. "Out of the United States. In. Out. In --""Is this the part where I hit you?