"The United States is itself unwinding its own global order," says Bremmer, also president and founder of GZERO Media. "The world's most powerful country is in the throes of a political revolution. In our lifetimes, we have never witnessed an American president so committed to and so capable of changing the political system and, accordingly, the United States' role in the world." Other risks: The report says Europe's center is faltering ... water is being weaponized as a resource for countries and businesses ... and U.S. attacks on clean energy endanger the nation's AI lead, giving China a potential advantage in post-carbon energy production.