Here's the recent front page of The Chosun Ilbo. Circulation-wise, it's the largest newspaper in South Korea. The headline is "Angry Whites Overthrow America."
Being a superpower is partly about your nation's wealth and military strength. But that's only half of it. The other half is perception -- do other country's look up to you? Do they admire your political systems? Do they long to have your standard of living?
I can only speak for lurvely little Daegu, a conservative region in and of itself, and the simple fact is America's days are a superpower are numbered, if not over entirely.