WASHINGTON - JANUARY 20: U.S President Barack Obama and his wife First Lady Michelle Obama dance on stage during MTV & ServiceNation: Live From The Youth Inaugural Ball at the Hilton Washington on January 20, 2009 in Washington, DC. President Barack Obama was sworn in as the 44th President of the United States today, becoming the first African-American to be elected President of the US. (Photo by Mark Wilson/Getty Images)
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