Things will remain about the same.
Which means ... The U.S. government will continue to run smoothly, the world economy will continue to fitfully grow, radical Leftists will wring their hands as they pout about not being allowed to run things, and so on. Ethnic violence will continue in areas where capitalist economic ideas have not taken hold, the divide between free-market societies and other sorts will continue to grow, and the U.S. will still remain 'first among equals' (although, as other nations throw off their antiquated cultures, there will be an increasing amount of 'equals' for them to compete with). McDonald's will continue to sell food, unaffected by adverse radical activism. I will have my share of cheeseburgers.
All in all, a bright future. Which is of course what one would expect, given the global triumph of the free-market paradigm. Sorry.