My guess for the next 50y:
-America decline (they cant be much more than they already are), but still be a superpower. Rise of the middlepowers (Russia, China, Canada etc...)
-The rise of the political Right (police state etc...)
-growing of terrorism and anarchism movement, probably some civil war in a couple of western nations
-First sight of mega-corporation, as powerful as nations
-we probably be at the edge of a social revolution (100y prediction?)