There is some irony in Roberts' ire, of course, because the chief justice very publicly -- and unexpectedly -- saved the central legacy of the Obama administration last year when he cast the deciding vote in favor of the Affordable Care Act.

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Unless the company unexpectedly launches another spectacular drug very soon, its earnings will slide with every hit.

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Rickman is unexpectedly romantic here, and very funny besides.

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The commercial marketplace is a very dynamic environment where all sorts of things can happen unexpectedly, both good and bad.

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"We worked very, very fast, " Laakkonen says, because of an unexpectedly hazy morning that cut short their daylight, adding that she was fascinated to watch Shore work.

WSJ: Contributors: March 2012