Say the words gap year and you might picture someone taking time off from school to backpack around the world, pick up odd jobs here and there, and drift around like a rolling stone on some grand quest to find oneself. But a luxury market of gap years is emerging, featuring [music] highly facilitated and tightly scheduled programs that double as part high-end travel and education, [music] part networking, career exploration, and mentorship. In some cases, parents are spending almost $100,000 for their kids ...