NASA to Get Second Opinion on Hubble's Fate
Retired Adm. Harold Gehman, who led the investigation into the Columbia space shuttle disaster, calls for a new review of the risks and benefits of keeping the Hubble space telescope alive. NASA administrator Sean O'Keefe tells a Senate panel he'll seek advice from the National Academy of Sciences, though for now he stands by his decision to retire Hubble early. Hear NPR's David Kestenbaum.
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