Democratic Party leaders, President Obama in particular, are forever telling the country that wealthy Americans are taxed at too low a rate and pay too little in taxes. The need to correct this seeming injustice is framed not simply in terms of fairness. Higher tax rates on the wealthy, we're told, would help balance the budget, allow for more "investment" in America's future and foster better economic growth for all. In support of this claim, like-minded liberal pundits point out that in the 1950s, when America's economic might was at its zenith, the rich faced tax rates as high as 91%.

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