America's growth historically has been fueled mostly by investment education productivity innovation and immigration. The one thing that doesn't seem to have anything to do with America's growth rate is a brutal work schedule.

America's growth historically has been fueled mostly by investment education productivity innovation and immigration. The one thing that doesn't seem to have anything to do with America's growth rate is a brutal work schedule.

Americans have so far put up with inequality because they felt they could change their status. They didn't mind others being rich as long as they had a path to move up as well. The American Dream is all about social mobility in a sense – the idea that anyone can make it.

Americans have so far put up with inequality because they felt they could change their status. They didn't mind others being rich as long as they had a path to move up as well. The American Dream is all about social mobility in a sense – the idea that anyone can make it.