Guest:  Frank White; Topics:  Frank's new book, "The Cosma Hypothesis: Implications of the Overview Effect," creating a space philosophy, human space flight task forces, commercial space entrepreneurism and more.

Guest:  Dr. Doug Plata;  Topics:  Doug's list of 15 space advocate heresies plus news of his University of Arizona Tucson projects.

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Guest:  Michael Listner;  Topics:  A space law and policy review for 2018 and a look forward to space law issues for 2019.

Guest:  Leonard David with a visit from Barbara David;  Topics:  Gateway, lunar policy, space advocacy, space legal issues and concerns, commercial space concerns, NASA budget and OMB issues, promoting space books and much more.

Guest:  Jim Muncy;  Topics:  US space policy & legislation, commercial space, the launcher & satellite industry, China, space force issues, public-private partnerships, commercializing LEO and much more.