President Barack Obama, in the Oval Office. 奧巴馬總統,  橢圓形辦公室.

 (Official White House Photo by Pete Souza)
 July 9, 2012. (Official White House Photo by Pete Souza)
The Official White House Photostream
, August 6, 2012. REUTERS/Larry Downing 
August 8, 2012. REUTERS/Larry Downing
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