rogue nations

Broadcast 2913 Dr. David Grinspoon

Guest:  Dr. David Grinspoon;  Topics:  Running or managing Earth, challenges, learning from space exploration, exoplanets, planetary exploration and more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website,   Comments and questions should be relevant to the specific Space Show program.

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