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Dr. Al Differ, the Director of Analysis with JP Aerospace and a member of the Board of Directors for the Space Frontier Foundation, was the guest for The Space Show for this program. Dr. Differ discusses balloon launches, space access, the importance of space advocacy and how to make it work, various aspects of space policy, solar sails and related technology, space profitability, markets, and space organizations. We also discussed the economics of space policy and development.