FILE - In this May 17, 2015 file-pool photo, Secretary of State John Kerry shakes hands with Chinese President Xi Jinping at the Great Hall of the People in Beijing, China. Tensions are growing between the U.S. and China over its island building in the South China Sea and over suspicions that Beijing was behind the biggest cyber breach of federal personnel records. But both powers have incentives to calm the waters ahead of a high-profile visit by China’s leader to Washington in the fall.(Kim Ky