Why mining on the moon could lead to conflict on Earth
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Philosopher A.C. Grayling joined Phillip in the studio to explain why he's turned his gaze to the moon. In his 32nd book - Who Owns the Moon: In Defence of Humanity’s Common Interests in Space - Grayling urges us to think of the new space race not as some pie-in-the-sky futuristic notion but instead a reality that is unfolding now.  

Guest: A.C. Grayling is Principal of Northeastern University London and the author of more than 30 books.