The American dream just moved on to China for now.

The way they talk about mobility is just comparing the amount of people who make more than their parents which is probably a good way to do it. But once you reach a certain level of income, say 75,000 in a place where that buys you a solid place in the middle class, why is it not the American dream for your kids to continue to live in that way? They still have the middle class life.