Guest:  Casey Dreier;  Topics:  Planetary Science Congressional Caucus, policy, robotics & HSF, JWST delays, SLS, FH, BFR, LOP-G, NASA 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, www.thespaceshow.com.  Comments and questions should be relevant to the specific Space Show program.

Guest:  Open Lines with Dr. David Livingston; Topics:  We discussed a variety of space topics with listener phone calls and a few emails.  I also suggested a few topics at the start of the show.  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, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guest:  Mark Whittington;  Topics:  Mitt Romney senate campaign in Europe and his return to Moon policy, commercial rocketry and SLS options, lunar lander, SpaceX, Blue Origin, policy, NSC, 1st black astronaut & 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, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guest:  Chris Carberry; Topics:  US space policy including the Moon and Mars, humans to Mars, economic and other risk factors and much 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, www.thespaceshow.com.  Comments and questions should be relevant to the specific Space Show program.

Guest: Robert (Bob) Zimmerman; Topics: Bob's new sci-fi book "Pioneer," small sat rocket industry, rocket race, space telescopes, heavy lift, policy, NASA, national security, SpaceX, BFR, A/2017/ U1 & 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, www.thespaceshow.com.  Comments and questions should be relevant to the specific Space Show program.