close. again, officially is the word. they may get an on core performance. john zarrella reports for us. reporter: the end is sketched in stone, or up in the air. two spags shuttle flights left. nasa s new budget signed by president obama calls for adding one more flight next june maybe. florida senator spearheaded the effort to get the added shuttle curtain call. it would allow nasa to stock the space station with tons of extra, computers, space walk gear, experiments, all kinds of spare parts. and it would save jobs for a few extra months. if i put on my parochial