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Readers say it's better for NASA technology to flop on earth than in the sky.
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"...I have the discount-rate formula tattooed on my leg."
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Readers weigh in on how language should be handled in a "nation of immigrants."
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There were calls for civility last year after a gunman killed six and wounded 13 at an event hosted by Rep. Gabrielle Giffords, D-Ariz. The election of her successor has commenters renewing that appeal.
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Inspired by "hedginess," one of our commenters coined some financial terms of his own.