LZ Granderson : Romney asking if you 're better off than four years ago is wrong question . He says study shows middle class growth for 40 years , with smaller share of wage pie . LZ : In 1971 , rich were 14 % of U.S. , 29 % of income ; in 2011 : 20 % of U.S. , 28 % income . LZ : If Romney wants to really do something for country , he 'll have plan to address this trend .
LZ Granderson : Romney asking if you 're better off than four years ago is wrong question . He says study shows middle class shrinking for 40 years , with smaller share of wage pie . LZ : In 1971 , rich were 14 % of U.S. , 29 % of income ; in 2011 : 20 % of U.S. , 46 % income . LZ : If Romney wants to really do something for country , he 'll have plan to address this trend .