Wonder: The benefits of a fully realized elevator would make carrying people and goods into space cheaper, easier and safer. Hotels for space tourist?
Water Found On The Moon
Science: Since man first touched the moon and brought pieces of it back to Earth, scientists have thought that the lunar surface was bone dry. New observations.
I'm not worried that Obama is getting bad advice in his Afghanistan briefings. What troubles me isn't the debate in the Situation Room -- it's how his decision will play out in the circus that democratic deliberation has become.
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Marty Kaplan: If You Liked Health Care, You'll Love Afg
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