[digz]

You're cherry picking a period which actually helps to make sliverstorm's point: The last few years have been categorized by significant increases in taxes, and regulatory burden, which cause uncertainty in the business environment and more pain for the middle class.

Unfortunately, historically, all the evidence supports the 'rising tide lifts all boats' argument. While growth 'at the bottom' has slowed compared to the top, it's still growing. There are plenty of theories for why this is the case, but the data is is there.