http://www.washingtonpost.com/wp-dyn...010602824.html
"... The one great period of broadly shared prosperity in U.S. history remains the three decades following World War II, which, anything but coincidentally, is the one period in which America had high levels of unionization. The business lobby is throwing big money into ads opposing the Employee Free Choice Act [[EFCA), which would make it easier for workers to join unions, but one concern it has neglected to address is how the United States can again become a land of broad-based affluence with private-sector unionization at its current 7 percent level. There is no historic precedent for mass prosperity absent mass collective bargaining. The model cannot be constructed..."