A new report by University of California, Berkeley economics professor Emmanuel Saez concludes that income inequality in the United States is at an all-time high, surpassing even levels seen during the Great Depression.

The report shows that:

• Income inequality is worse than it has been since at least 1917
• "The top 1 percent incomes captured half of the overall economic growth over the period 1993-2007"
• In the economic expansion of 2002-2007, the top 1 percent captured two thirds of income growth."

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