Every bit as troublesome are some of the more intangible costs to be expected.

CENTERFORSECURITYPOLICY: Center for Security Policy | EXCERPTS OF TESTIMONY BY FRANK J. GAFFNEY, JR. before the SENATE ARMED SERVICES COMMITTEE

It came as no surprise to many on Capitol Hill when Allen was cleared of wrongdoing in the email probe, which several lawmakers had indicated was not as troublesome as some had initially suggested.

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Most worrisome, there have been troublesome hints that some of the cox-2 inhibitors--especially Vioxx--might boost the risk of heart attacks.

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The 27-year-old missed the last six weeks of last season to undergo surgery on his troublesome back after suffering discomfort for some time.

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Not that the Android version is all that troublesome -- it just leaves more on the screen in some situations, and occasionally requires a few more taps.

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Some investors hope that Sprint will eventually buy Clearwire for its spectrum, finessing for them the troublesome matter of profits and dividends.

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