Space Shuttle Launch Postponed Because of "Technical Problem"

From the AP:

CAPE CANAVERAL, Fla. (AP) - NASA says it's calling off today's launch of space shuttle Endeavour because of a technical problem. The shuttle was fueled and ready to go on its final mission. Congresswoman Gabrielle Giffords traveled to Florida to see the liftoff of a mission on which her husband will serve as commander.

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