Space Shuttle Discovery Draws Eyes to Sky for Final Flight

Aired: 4/17/2012 | 0:07:36 | Clip
NASA's space shuttle Discovery captivated people in and around the nation's capital Tuesday as it flew piggy-back on a 747 over the Capitol en route on its last landing at Dulles International Airport. Gwen Ifill and Valerie Neal, a curator at the Smithsonian National Air and Space Museum, discuss its future as a museum piece.

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