Commander Chris Hadfield said that six months on the International Space Station made him feel a great sense of just how much the world is all one place and we are all one people living together on it. Very friendly but fiercely political (Time Out) comedian Tiernan Douieb wonders why we have to send people quite so far away to have that realisation, and just how feasible is it to fire a large portion of the population into space until they behave?