Space Wrenches News Today

At the white house at the op of the hour. jon: astronauts are now preparing for the third and final space walk to the international space station. yesterday they installed an observation deck that provides a dramatic view of the earth below. phil keating is live for us in miami, so whats on the agenda today, phil? >> reporter: hi, jon. mission specialist nicholas patrick right now sleeping, but at 4:14 eastern time they all wake up, and then they begin a very arduous night shift involving the th...