Susan Rice, the U.S. ambassador to the United Nations, speaks to the media at U.N. headquarters in April. Seth Wenig/AP hide caption

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A newspaper with a front-page photo of President Obama is displayed at a press house in downtown Yangon, Myanmar, on Thursday, ahead of Obama's visit. Soe Than Win/AFP/Getty Images hide caption

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Susan Rice, the U.S. ambassador to the United Nations, is considered a leading candidate to become the next secretary of state. Leading Senate Republicans say they would seek to block her if she's nominated. Mario Tama/Getty Images hide caption

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