HOUSTON, TX - MAY 25: (FILE PHOTO) In this handout image provided by NASA, astronaut Mark E. Kelly, STS-134 commander, participates in a food tasting session in the Habitability and Environmental ... more 
HOUSTON, TX - MAY 25: (FILE PHOTO) In this handout image provided by NASA, astronaut Mark E. Kelly, STS-134 commander, participates in a food tasting session in the Habitability and Environmental Factors Office at NASA's Johnson Space Center May 25, 2010 in Houston, Texas. Mark E. Kelly's wife, U.S. Rep. Gabrielle Giffords (D-AZ) was shot in the head at a public event entitled "Congress on your Corner" when a gunman opened fire outside a Safeway grocery store January 8, 2011 in Tucson, Arizona. It was reported that eighteen people were shot, including members of Giffords' staff, and six were killed, including one young child. (Photo by NASA via Getty Images) less 
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Tue, Jan 11, 2011 7:57 PM EST