. >> this is the second christmas eve space walk in nasa huesly. the first one happened four years ago when astronauts repaired the hobble telescope. >> nasa, but also norad is busy tonight. they are tracking santa's progress around the world tonight delivering presents to all those good girls and boys. children in places like australia are ripping open those packages. right now, he's in mexico. so, boys and girls go to bed, he's getting close. if you'd like to see where santa is for yourself, go to norad -- santa.org. >> he is making good time, as usual. >> and, weather could not be more perfect for everybody outside. clear skies are helpful. we don't want fog. rudolph is still necessary. >> rudolph can do his thing. he looks good in front. all right, here's a peek outside. here's what we have going on. clear night, it will be chilly tomorrow morning. i know were were talking about 70s during the day, but that's because of dry air. cools off quickly at night. beautiful shot from our rooftop toward the bay bridge and san francisco bay looking glorio