Naomi Biden, left, takes pictures of her grandfather and U.S. Vice President Joe Biden as they arrive at the Chinggis Khaan International Airport in Ulan Bator, Mongolia, Monday, Aug. 22, 2011. (AP Photo/Andy Wong)

Associated Press
Naomi Biden, left, takes pictures of her grandfather and U.S. Vice President Joe Biden as they arrive at the Chinggis Khaan International Airport in Ulan Bator, Mongolia, Monday, Aug. 22, 2011. (AP Photo/Andy Wong)
Naomi Biden, left, takes pictures of her grandfather and U.S. Vice President Joe Biden as they arrive at the Chinggis Khaan International Airport in Ulan Bator, Mongolia, Monday, Aug. 22, 2011. (AP Photo/Andy Wong)
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