Guest:  Brad Bergan:  Topics:  We discussed Brad’s new book, Space Race 2.0: SpaceX, Blue Origin, Virgin Orbit, NASA and the Privatization of the Final Frontier.  In addition, Brad was asked for his opinion on the new commercial space personalities, business, the commercial space future, national security concerns with China and more.

Guest:  Dr. Charles Cockell;  Topics:  We mainly talked about Dr. Cockell's book, Taxi from Another Planet: Conversations with Drivers about Life in the Universe, plus extraterrestrial life from different perspectives.  Additional topics included UFOs, UAPs, Mars sample return, & lots more.

Guests: John Batchelor, Dr. Michael Hecht, Dr. David Livingston.  Topics:  The MOXIE experiment on the Mars Perseverance Rover.    

Guest:  Sir Martin Rees and Donald Goldsmith:  Topics:  Their new book, "The End Of Astronauts: Why Robots Are The Future Of Exploration" which proposes human spaceflight BLEO should be done by the private sector, not by government.  Our guests discuss this proposal on this specific program.

Guest:  Mary Roach;  Topics:  We discussed Mary's new book and first young reader's book, "Packing For Mars For Kids."  In addition, our guest fielded questions about settlement, gravity, living on the Moon or Mars, kids and pets in space, a full kids spacesuit and more.