Jay is all-in on Mars and the fascinating issues that we will need to address, the problems that we will need to overcome.  We're going to go there, finally, and it's going to be soon.  But what does that mean?  What would convince people to leave their settled lives and embark on a dangerous journey to a hostile and unforgiving world, with no hope of return? How will we get there, live there? Will self-sufficiency even be possible? What kind of society will we create?