And they complain about taxes and big government? Checkout my Cadence of Finance presentation, accessible via my homepage of efficientminds.com, for causes of the widening wealth gap See Robert Reich’s Aftershock for suggested remedies.
http://www.usatoday.com/story/money/business/2013/09/10/pay-gap-richest-poorest/2793343/
Also see this article from the managing editor of Fortune magazine.