Spacewalkers rewiring space station http://news.yahoo.com/s/ap/20061214/ap_on_sc/sp... HOUSTON - Imagine rewiring your house while living in it. Now imagine you're not even sure the new power system will work and you're 220 miles above the Earth. That's the scenario facing astronauts on the second and third spacewalks of the space shuttle Discovery's mission to the international space station, a two-part process scheduled for Thursday and Saturday.
