I agree, but I think an important aspect is that ISS has a lot of political appeal to it as well. There's something nice about having all these countries workin

I agree, but I think an important aspect is that ISS has a lot of political appeal to it as well. There's something nice about having all these countries working together and plugging into each others' modules: http://en.wikipedia.org/wiki/International_Space_Station#Pressurised_modules http://en.wikipedia.org/wiki/International_Space_Station#Pre...