U.S. Secretary of State Kerry, center, and U.S. Treasury Secretary Jacob Lew, second from right, are escorted by Chinese officials as they visit to Badaling Great Wall of China in Beijing, China ... more 
U.S. Secretary of State Kerry, center, and U.S. Treasury Secretary Jacob Lew, second from right, are escorted by Chinese officials as they visit to Badaling Great Wall of China in Beijing, China Tuesday, July 8, 2014. (AP Photo/Andy Wong) less 
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Associated Press | Photo By Andy Wong
Tue, Jul 8, 2014 5:09 AM EDT