Columbia - What Now? Columbia and NASA's future. news_spaceshuttle_columbia_flames_abcnews.jpg 187x47 l lock_icon.gif superpass.gif http://abcnews.go.com/sections/world/videofiles/Video/030201shuttle_video.ram 10437068481010 Shuttle Breaks Up lock_icon.gif superpass.gif http://abcnews.go.com/sections/us/videofiles/Video/030201nasabriefing_video.ram 10437068481011 NASA Briefing lock_icon.gif superpass.gif http://abcnews.go.com/sections/GMA/videofiles/Video/030201bush_video.ram 10437068481012 President Bush Address lock_icon.gif headline