Vietnam Prime Minister Nguyen Tan Dung Interview [Getty Images]

Nguyen Tan Dung, Vietnam's prime minister, is seen on a Apple Inc. iPhone 4s smartphone during an interview in Hanoi, Vietnam, on Friday, May 30, 2014. Vietnam has prepared evidence for a legal suit challenging Chinas claim to waters off the Vietnamese coast and is considering the best time to file it, Prime Minister Nguyen Tan Dung said today in an interview. Photographer: Brent Lewin/Bloomberg via Getty Images

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