Why is the Income Gap Widening in the US?

The gap between the rich and the poor (the "haves" and the "have nots") in the US keeps growing. It used to be the 99% and the 1%. Now, it's more like the 99.5% and the 0.5%. Why is this happening and what does increasing income inequality mean for the stability of our society?

Видео Why is the Income Gap Widening in the US? канала Realtopia