India has a severe shortage of toilets, something the government of Narendra Modi has pledged to address. Anoop Jain is already working on it. He's an American doctoral student who's building public toilets in one of the poorest states in India.
Puerto Rico is experiencing a brain drain — more than 10,000 Puerto Ricans are emigrating each month, among them doctors, engineers, and other professionals. A small crop are heading in the opposite direction.