You’re seated at a cozy outdoor restaurant, enjoying the balmy night air, the sizzle of a mouthwatering meal coming your way, and listening to the bustle and chatter of a foreign place. Just as your food is served, an adorable little girl who can’t be more than six comes up to you with a tangle of hand-made bracelets. “Good price!” she pleads, pushing the goods on your lap. You hesitate. What to do?