U.S. Vice President Joe Biden (L), flanked by U.S. Ambassador to Japan Caroline Kennedy, leaves a meeting with Japanese business leaders at the headquarters of internet commerce and mobile games ... more 
U.S. Vice President Joe Biden (L), flanked by U.S. Ambassador to Japan Caroline Kennedy, leaves a meeting with Japanese business leaders at the headquarters of internet commerce and mobile games provider DeNA Co. in Tokyo December 3, 2013. Biden urged Japan and China to lower tensions that have spiked since Beijing announced an air defense zone over disputed islands in the East China Sea, while repeating that Washington was "deeply concerned" by the move. REUTERS/Toru Hanai (JAPAN - Tags: POLITICS BUSINESS) less 
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Reuters | Photo By Toru Hanai / REUTERS
Tue, Dec 3, 2013 3:19 AM EST