The Jarawa, one of the oldest tribes of human beings in the world, may go extinct because of a road that runs through pristine forests in the Indian-administered Andaman Islands, in the Bay of Bengal, and no one seems to care. Tourists take the road each day to try and get selfies with the tribespeople, who came from what is now Botswana over 60,000 years ago. Once proud of their independence, the Jarawa are now tempted with biscuits and trinkets,...