I seem to have missed your latest rationalization, Mark
It seems to me that Zubrin prattled on about a habitable world in that book, the same way that you prattled on about "lifeboat" Mars - conveiniently ignoring the fact that Mars has no magnetosphere to protect it against Coronal Mass Ejections from our Sun -
Christ, if you want to live in a cave you can do that on Earth - and you won't have to ask the taxpayer for a dime -
EP
