Mr Clinton had hoped to persuade India and Pakistan, two antagonistic nuclear neighbours, to sign the test-ban treaty.
The US imposed economic and military sanctions on India (and Pakistan) when it carried out its nuclear test in May 1998, and has since pressed both countries to sign the Comprehensive Nuclear Test Ban Treaty - but to no avail.
Technically, a high yield test would be self-evidently a sign of national strength.
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Unlike members of the NSG, India has not only failed to sign the NPT, it has not signed the Comprehensive Test-Ban Treaty either.
The idea of rewarding India and Pakistan, if they are willing now to sign onto the Comprehensive Test Ban, may make the so-called "international community" feel better.
Hence India refuses to sign the Nuclear Non-proliferation Treaty and has ruled out signing a Comprehensive Test Ban, unless all other nuclear powers do.
Washington has been pushing to get both countries to freeze their respective nuclear programs and sign two treaties: the Comprehensive Test Ban Treaty and the Nuclear Non-proliferation Treaty.
The six missiles that China test-fired north of Taiwan in late July were widely interpreted as a sign of Beijing's pique over Lee's trip to the U.S. the month before to attend a class reunion at Cornell University.
In a wide-ranging speech, she stated that she believed that the US would sign up to the Comprehensive Test Ban Treaty, which forbids the testing of nuclear weapons.
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The link-up means Redding and his new team-mate Mika Kallio have already been able to test next year's bike and in a sign of the team's respect for Redding he was involved in the process.
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