Investors were jarred by the potential for an earlier-than-expected end to the Fed's experimental bond-buying programs, known as quantitative easing.

WSJ: Stocks Extend Declines

Alternative and experimental educational and social services programs were discussed -- many of which involve large elements of private sector support -- and so-called "Profiles in Courage" presentations featuring people who described themselves as products of such endeavors.

CNN: Colin Powell

It must have analytical depth, a professional culture built around experimental learning, and an appropriate scope of interest that cuts across the various departments that will have programs subject to testing.

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