Instead of a rising tide lifting all boats, they describe an economy where "yachts are rising, but dinghies are largely staying put". The Culprit: Organized Politics
While labor unions and middle-class advocacy groups declined, corporate interests organized into powerful lobbying machines.
Between 1979 and 2007, the richest 1% saw their income grow by 256% , while the bottom 80% grew by only 20% .

