[OrangeDaisy]

NASA is saying chance of return flight only fifty-fifty???

Not "return flight"! "RETURN TO FLIGHT". Two different things!

[jdm]

http://news.yahoo.com/news?tmpl=story&u=/afp/20050727/ts_afp/usspaceshuttledebris_050727223131

HOUSTON, United States (AFP) - NASA said it was grounding the US space shuttle fleet after a large piece of foam insulation broke off from the fuel tank of the Discovery shuttle on liftoff.

While the US space agency said the foam did not damage the shuttle on Tuesday's launch, a spokesman said that future flights are on hold until the problem is corrected.

"Until we're ready we won't fly again," said Bill Parsons, space shuttle program manager.

[Halls]

Exactly, in other words this flight isn't screwed, but future flights will be grounded.