For astronaut Ron Garan, living on the International Space Station was a powerful, transformative experience - one that he believes holds the key to solving our problems here on Earth.On space walks and through windows, Garan was struck by the stunning beauty of the Earth from space but sobered by knowing how much needed to be done to help this troubled planet. And yet on the International Space Station, Garan, a former fighter pilot, was working side by side with Russians, who only a few ...