Guests: John Batchelor, Dr. Haym Benaroya, Dr. David Livingston. Topics: Mars HSF & settlement given Mars methane, water, & nitrogen. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Written Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright.