very excellent points from the author. I would like just to correct him on one point: treaty are only valid as long as the main powers are agreeing. The minute

very excellent points from the author. I would like just to correct him on one point: treaty are only valid as long as the main powers are agreeing. The minute it's inconveniencing the US the mars treaty will be thrown in the trashbin. And it's even worse for people like Musk.