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Analysis

Saturday

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Thursday

Wednesday

Tuesday

Monday

Barack Obama is sworn in as the 44th president of the United States by Supreme Court Chief Justice John Roberts while first lady Michelle Obama looks on. Chip Somodevilla/Getty Images hide caption

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Chip Somodevilla/Getty Images

Wednesday

Tuesday

Wednesday

Tuesday

An image grab from North Korea's state-run Korean Central Television, taken last month, shows the man experts believe is Kim Jong Un, North Korean leader Kim Jong Il's youngest son and likely heir, attending the Conference of the Workers' Party of Korea in Pyongyang. TV/AFP/Getty Images hide caption

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TV/AFP/Getty Images