ABCNEWS Live Watch live video coverage of the Columbia Shuttle disaster. news_spaceshuttle_columbia_launch_rts.jpg 60x45 l http://abcnews.go.com/sections/us/videofiles/Video/streamer6_video_r1.ram 10441207589320 abcnews_free.gif lock_icon.gif superpass.gif http://abcnews.go.com/sections/us/videofiles/Video/streamer6_video_r1.ram 10441207589321 PLAY lock_icon.gif lock_icon.gif lock_icon.gif headline