Guest: Robert Zimmerman. Topics: NASA Administrator, Ares, Orion, Constellation, ISS, space policy, bats, suborbital tourism, Hubble. Bob Zimmerman returned to the Space Show for this program, leading off with a discussion about the significance of the absence of a NASA Administrator. Bob explained some of the problems this creates for our space program, especially long term as we are nearing critical decision points in several of our civil space programs. You will want to hear his comments on this subject. In addition, he had no suggestion or ideas as to the next Administrator.