"In cases like this, clearly it should be fast-tracked and what they need to do is take a more risk-based approach, " he said.

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The TSA's moves toward a risk-based approach to security have the support of Rep. Michael McCaul, R-Texas, chairman of the House Homeland Security Committee.

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Instead, resources are being focused on the testing of mid-level or companywide controls, putting the emphasis back into longer-term and big-picture issues by utilizing a more efficient, risk-based approach.

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"This is part of an overall risk-based security approach, which allows Transportation Security officers to better focus their efforts on finding higher-threat items such as explosives, " a TSA spokesman told the Reuters news agency.

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Responsible development of nanotechnology requires an integrated, risk-management-based approach to environmental, health, and safety (EHS) research.

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Pistole said the move brings the United States into alignment with international rules and are keeping with his "risk-based security" approach.

CNN: March 10, 2013 -- Updated 0334 GMT (1134 HKT)

The proposals eschew the traditional risk-based U.S. regulatory approach and embrace the European style of precaution, which demands ex post proof of safety even where no current evidence reveals environmental or health harms.

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As bank examiners and officers become increasingly conscious of the limitations of an Excel-based approach to underwriting and risk management, the demand for alternative solutions will continue to rise.

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But does that pragmatic approach leave Google vulnerable to an innovative start-up willing to risk its fate on building meaning-based search from scratch?

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