New Web site may set the standard for a future site required by a recently signed law.
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Critics are concerned the project might invade privacy rights, particularly by searching e-mails and blogs.
West Virginia senator has placed a hold on the nomination because of concerns over nominee's safety record.
Measure would require installation of radiation monitors at 22 major U.S. ports by the end of 2008.
Mary Peters also has headed the Arizona Department of Transportation, and considered a race for governor.
International investments -- usually big earners -- perform the worst.