sentences: "Others claim that the increase is not significant, that America's economic growth and/or equality of opportunity should be the primary focus, that rising inequaity is a global phenomenon that would be foolish to try to change through US domestic policy, that it "has many economic benefits and is the result of ... a well-functioning economy", and has or may become an excuse for "class-warfare rhetoric", and may lead to policies that "reduce the well-being of wealthier individuals".Former Federal Reserve Board chairman Alan Greenspan stated