FILE - In this Feb. 14, 2012 file photo, U.S. President Barack Obama, right, meets with then Chinese Vice President Xi Jinping in the Oval Office of the White House in Washington. Obama

 

              FILE - In this Feb. 14, 2012 file photo, U.S. President Barack Obama, right, meets with then Chinese Vice President Xi Jinping in the Oval Office of the White House in Washington. Obama
FILE - In this Feb. 14, 2012 file photo, U.S. President Barack Obama, right, meets with then Chinese Vice President Xi Jinping in the Oval Office of the White House in Washington. Obama and Xi, now Chinese president, face weighty issues when they meet at a private estate in California early June 2013, but their most important task may simply be establishing a strong rapport. (AP Photo/Susan Walsh, File)