President Barrack Obama shares the podium with two robotic vehicles as he makes remarks during a visit to Carnegie Mellon University's National Robotics Engineering Center in Pittsburgh, Friday, June ... more 
President Barrack Obama shares the podium with two robotic vehicles as he makes remarks during a visit to Carnegie Mellon University's National Robotics Engineering Center in Pittsburgh, Friday, June 24, 2011. (AP Photo/Gene J. Puskar) less 
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Associated Press | Photo By Gene J. Puskar
Fri, Jun 24, 2011 11:55 AM EDT