An American B-52 bomber overflew one of China's island bases because a nuclear bomber was necessary to get the message across rather than 'just' a mere naval destroyer.
This video looks at the different claims for the South China Sea.
Senator McCain requested clarification with the USS Lassen passage.
China is attempting to prevent APEC from discussing the South China Sea.
China also says its up to the Philippines to kiss and make up regarding the South China Sea.