Robert Zimmerman returned to The Space Show for this program. We discussed many topics from the shuttle schedule and repairs, to spaceports at Wallops and in New Mexico. Regarding the shuttle, Bob explained the importance of engineering delays and the fact that these types of delays are certainly a welcome change from the past when NASA might have compromised engineering for a specific schedule. For the spaceport discussion, we were joined by Jack Kennedy who gave us the latest information on the Mid Atlantic Spaceport and by Joe Latrell from Roswell who brought us current on the vote and the development progress for Spaceport America in New Mexico. The spaceport discussion took us into commercial perspectives versus government space program. We also talked about the recent Space X Falcon 1 launch and Bob had lots to say about it and its importance not just for Space X but for the industry. Later in the show we talked about Hubble, we talked about the science missions and the discovery of caves on Mars and the huge hexagonal shape discovered on Saturn. Bob discussed the public view of the science and robotic missions in comparison to the human space program. Bob also talked about space tourism and toward the end of the show, we discussed Administrator Griffin's 50 year view of the space program. Near the end, Bob talked about science, the lack of open science going on and the agenda behind compelling science to march to a specific point of view. I brought up the freedom issue and the fact that space offers us the potential of unlimited resource development, not a world of limitation and I used the upcoming program on Sunday, April 15 with Reda Anderson as an example of the power of looking forward to the unlimited, not buying into a world of limitations. As always, Bob's comments were clear, sharp, and to the point. Check him out at his website, http://members.bellatlantic.net/~vze3cxxp/zimbib.htm. Bob will take your email comments and questions and he always offers a reply. Please send them to him through me at drspace@thespaceshow.com. Robert Zimmerman will be returning to The Space Show several more times during 2007.