The world's leading progressive intellectuals have written a single letter on the current American walk. An alarming look at U.S. supremacy is based on the critical view of what the American superpowers should do and what role they should play in behalf of the world community. Some of them are cynically based on simple anti-American emotions, but they can also look at what needs to be seriously considered. Among other things, there is the advantage that you can get the opinions of experts in