National view: Only politics can save human species

December 31, 2011 at 6:00 pm in Duluth News Tribune

Huge excitement last week: Two Earth-size planets were found orbiting a sun-like star less than a thousand light-years away. This comes two weeks after the stunning announcement of another planet orbiting another star at precisely the right distance within the “habitable zone” that is not too hot and not too cold to allow for liquid water and therefore possible life.
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