U.S. President Barack Obama and Chinese President Xi Jinping in Beijing

Obama and Xi hold a news conference the Great Hall of the People in Beijing

U.S. President Barack Obama and Chinese President Xi Jinping look down during their news conference in the Great Hall of the People in Beijing.

U.S. troops carry the dead body of a soldier from a NATO after suicide attack in Kabul

U.S. troops carry the dead body of a soldier from a NATO-led international military force, at the site of a suicide attack in Kabul

U.S. troops carry the dead body of a soldier from a NATO-led international military force, at the site of a suicide attack in Kabul.

Destroyed tank after a battle between government troops and pro-Russia separatists in Novosvitlivka

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A boy jumps from a destroyed tank after a battle between government troops and pro-Russia separatists in Novosvitlivka, eastern Ukraine.  Darko Vojinovic, AP