Guest: Dr. James Hughes. Topics: We discussed his book, "Citizen Cyborg: Why Democratic Societies Must Respond To The Redesigned Human Of The Future," human enhancement, public & space policy, long duration spaceflight. The Space Show wishes all of you a very Merry Christmas and holiday season. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog, http://thespaceshow.wordpress.com. Comments, questions, and any discussion must be relevant and applicable to Space Show programming.