President Barack Obama looks at a photo presented to him while meeting with the crew of the Space Shuttle Endeavour and the U.S. Commander of the ISS Expedition 26 in the Oval Office, Aug. 2, 2011.
President Barack Obama looks at a photo presented to him while meeting with the crew of the Space Shuttle Endeavour and the U.S. Commander of the ISS Expedition 26 in the Oval Office, Aug. 2, 2011.