Nasa bans Chinese nationals from working on its space programs https://t.co/iYbwznqNSB ...

TrueCasey Handmer (@CJHandmer):This is nature's periodic reminder that we are responsible for running arbitrarily operationally effective space programs.The last time something this large didn't miss us by a whisker it ended the dinosaurs.They didn't have a space program. We do, but ours can't even figure ...