Chinese Vice President Xi Jinping meeting with Costa Rica President Laura Chinchilla (not in picture) at the Great Hall of the People in Beijing on August 17. Xi -- China's likely next leader -- has

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Chinese Vice President Xi Jinping meeting with Costa Rica President Laura Chinchilla (not in picture) at the Great Hall of the People in Beijing on August 17. Xi -- China's likely next leader -- has cancelled a scheduled meeting with Denmark's visiting prime minister, fuelling speculation about his whereabouts after he also failed to meet Hillary Clinton last week.

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