U.S. Pension Assets Gained 16.4% in 2011, Wilshire Associates Report Says

So why is Illinois having such trouble with pensions?

U.S. Pension Assets Gained 16.4% in 2011, Wilshire Associates Report Says
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U.S. public pension funds rose 16 percent in the year ended June 30, narrowing the gap between their assets and liabilities to the lowest level since 2008, according to a report by Wilshire Associates Inc.