U.S. President Barack Obama, right, walks alongside of with Sgt. Theresa Hannigan, left, from Long Island, New York and Radi Kaiuf, center, during a tour of the Technology Expo in Jerusalem, Israel, ... more 
U.S. President Barack Obama, right, walks alongside of with Sgt. Theresa Hannigan, left, from Long Island, New York and Radi Kaiuf, center, during a tour of the Technology Expo in Jerusalem, Israel, Thursday, March 21, 2013. Hannigan and Kaiuf where demonstrating technology that assist paraplegics to walk again.(AP Photo/Pablo Martinez Monsivais) less 
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Associated Press | Photo By Pablo Martinez Monsivais
Thu, Mar 21, 2013 10:06 AM EDT