The United States of America is a land of contradictions, where the best and the worst coexist. This land, on the one hand, hosts the world's best universities, libraries, cultural centers, hospitals and technology centers, NASA, military power, sports facilities, Hollywood... On the other hand, it has the most unfair income distribution among all industrial societies, chock full prisons, homeless people, high crime rate, the world obesity championship despite billion-dollar investments for heal ...