Climate change threatens the tribe from 'Twilight'Located west of Olympic National Park, La Push, Washington is idyllic at first glance, but its beauty is matched by danger and vulnerability. Located at sea level, La Push lies directly in a flood and tsunami zone. Hari Sreenivasan reports on how the Quileute tribe is adapting to new climate challenges. A fictionalized version of the tribe is featured in the 'Twilight' series.